How many stamps should i put on a 9x12 envelope

Envelopes used for flat mail cannot be more than ¾″ thick, 12″ high, 15″ long or weigh more than 13 ounces. The USPS considers any envelope bigger than this size to be a package, and they will be subject to parcel prices. Pricing depends on the weight of the envelope with prices starting at $1.39 and increasing by $0.24 for each ...

How many stamps should i put on a 9x12 envelope. Step 4: Calculate & Apply Postage. For just 1 $1.55 First-Class Mail International Global Forever stamp, you can send a 1 oz letter or postcard to any other country in the world. Put stamps in the upper right corner of the envelope. (For postcards, put the stamp in the space provided near the delivery address.)

<p>My daughter used the white 9x12 envelopes from Office Depot. She put two 39 cent stamps on them and they all appear to have made it to the colleges. We originally weighed the envelopes at the Post Office with about 5 pieces of paper in them and they still only needed two stamps. Good luck!</p>

2. Use tape to reinforce, not close. You can use tape to reinforce the seams of the Flat Rate Envelope, but the amount of tape being used should not encase the envelope! 3. Flat refers to price, not shape. With Flat Rate Envelopes, bulges and thickness may not matter. Flat Rate Envelopes are best suited for documents, but if you choose to send ...How Many Stamps To Ship a USPS Bubble Mailer. This depends on several factors. If you'd like to use stamps to ship your bubble mailer up to 4 ounces through USPS First Class, it will cost around $3.74. This will take 7 forever stamps ($0.55 per stamp) to ship your bubble mailer.1st Class Large Envelope, 11 oz. $3.79. 1st Class Large Envelope, 12 oz. $4.03. 1st Class Large Envelope, 13 oz. $4.27. The USPS does not offer sheets of postage stamps at these rates. You'll either need to visit the USPS to print the specific postage, print them at home with a service such as Stamps.com, or use multiple postage stamps.We would like to show you a description here but the site won't allow us.Many people spruce up this envelope with envelope liners for special events or occasions.Most Common Pointed Flap Envelope Sizes:4 BAR5 BAR5 1/2 BAR6 BARLee BAR SizesReturn Address Stamp Sizes to Pair:Self-Inking Round Return Address Stamps (All Sizes)Self-Inking Square Return Address Stamps (All Sizes)Self-Inking …For a legal-sized envelope: Two Forever stamps (currently valued at $0.55 per stamp) are needed to mail a one-ounce legal-sized envelope (9½” by 15” envelope). How many stamps does a 5 oz envelope need? In short, you need two Domestic Forever Stamps. This, as you know, equals $1. However, this is just for the first ounce. You have to ...

Write your address in the top left corner of the envelope. This is the return address where the post office will send your S.A.S.E back if it gets lost or delivered to the wrong address. Include your first and last name, followed by your address. [4] 4. Put a stamp in the top right corner of the envelope.When it comes to standard envelope formats, the regular envelope is your go-to option. You can use a regular envelope if you send invoices, checks, and letter writings, as it typically has adhesive flats for privacy and security. Regular envelopes come in the following sizes: 2 ⅛" x 3 ⅝". 3" x 6 ¼". 3 ½" x 6".How many Stamps should I put on a 9×12 Envelope. One can use 2 First-Class stamps to mail a 9×12 envelope with a weight up to 1 ounce. The United States Postal Service (USPS) charges $1.00 in postage for 9×12 envelopes that weigh up to an ounce. Two $0.55 First-Class stamps provide enough postage in this case. How many stamps to put on An ...It means that you will need two stamps to ship 1-ounce of a package. Meanwhile, you need 8 standard stamps to ship a package for 13 ounces. If you want to ship a package with the intermediate weights, you must add 21 cents to the $ base charge for each extra ounce. How many stamps do I need for a small envelope?Place the envelope or envelopes on the feed deck. Depending on the SendPro C model you have, feed the envelopes manually or tap Start to feed the envelopes. If the envelope is too thick to go through the feeder, print the postage on a tape and apply the tape to the large envelope or flat. Related topics. Sending a First Class …Additional surcharge may apply for oversized and/or overweight items. For posting of bulky parcels larger than 600mm x 400mm x 300mm but L+2W+2H within 3M (max length 1.5M) and weight within 30kg, Speedpost delivery rate of $12.00 will apply. SingPost shall not be liable for all untracked services and Registered Service (Singapore).The rate is same 1.30 for thin letter (30g) to usa as fat one domestic (50g) Assuming your letter is within standard envelop size and under 30 grams: Put the permanent stamp on and add another $0.38 worth of postage. Or put 2 permanent stamps on, but you'll be overpaying.The number of stamps you'll need depends on the size and weight of your letter. See how to send a letter. Below are the rates for standard envelopes for normal envelopes like a letter or birthday card, no bigger than 11.5" x 6+⅛" (see envelope requirements). The postal service refers to large envelopes as 'flats.' — View rates for flats.

How Many Stamps For 8×11 Envelope. Does HEB Sell Stamps. How Many Stamps Do I Need Calculator. How Many Stamps Do I Need Per Oz. How many stamps should i put on a 9×12 envelope ? How Much Postage for Square Envelope ? ... Can We Put A Return Address On The Back Of An Envelope?How many Stamps should I put on a 9×12 Envelope. One can use 2 First-Class stamps to mail a 9×12 envelope with a weight up to 1 ounce. The United States Postal Service (USPS) charges $1.00 in postage for 9×12 envelopes that weigh up to an ounce. Two $0.55 First-Class stamps provide enough postage in this case. How many stamps to put on An ...Standard-sized, rectangular postcard stamps start at $0.53. Oversized postcards need letter stamps, which start at $0.68. Large Envelopes. Large envelopes (flats) start at $1.39. Weight, Size, & Shape Requirements. Maximum weight for First-Class Mail letters is 3.5 oz; for large First-Class Mail envelopes, the maximum weight is 13 oz.Place the envelope or envelopes on the feed deck. Depending on the SendPro C model you have, feed the envelopes manually or tap Start to feed the envelopes. If the envelope is too thick to go through the feeder, print the postage on a tape and apply the tape to the large envelope or flat. Related topics. Sending a First Class …

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Push the hole over both arms. [5] Seal the flap against the body of the envelope by running over the edge with your thumb. 5. Flatten and secure the arms. Push the clasp arms outward again and flatten them against the flap. To prevent the clasp from catching on other mail, put a piece of tape over the arms. 6.Standard-sized, rectangular postcard stamps start at $0.53. Oversized postcards need letter stamps, which start at $0.68. Large Envelopes. Large envelopes (flats) start at $1.39. Weight, Size, & Shape Requirements. Maximum weight for First-Class Mail letters is 3.5 oz; for large First-Class Mail envelopes, the maximum weight is 13 oz.Step 4/6: Add your photos to your envelope & weigh it. In the United States, the maximum weight for a first-class envelope is 3.5 ounces. The first stamp covers the first ounce. You can then buy “additional ounce” stamps for each ounce increment. A typical 4×6 print is 0.11 ounces. A standard A6 envelope is 0.18 ounces.Here is how to complete this envelope: Step 1: Include the return address in the upper left corner of the envelope, with your full name and address. Step 2: Indicate the recipient’s address as you would for a letter. Use a large font to make the address more legible on a large package, regardless of the shape.How Many Stamps To Ship a USPS Bubble Mailer. This depends on several factors. If you'd like to use stamps to ship your bubble mailer up to 4 ounces through USPS First Class, it will cost around $3.74. This will take 7 forever stamps ($0.55 per stamp) to ship your bubble mailer.When placing an order, you need to use the appropriate size envelope, which means 3 ounces of Forever Stamps and an additional 2 ounces of an ounce stamp, for an approximate cost of 4 ounces. A 1-ounce envelope requires four stamps (2 stamps each for the envelopes and a fourth stamp for the letter).

Envelopes used for flat mail cannot be more than ¾″ thick, 12″ high, 15″ long or weigh more than 13 ounces. The USPS considers any envelope bigger than this size to be a package, and they will be subject to parcel prices. Pricing depends on the weight of the envelope with prices starting at $1.39 and increasing by $0.24 for each ...We would like to show you a description here but the site won't allow us.For 3 oz. – You can purchase a domestic Forever stamp and two 15-cent additional ounce stamps for $0.85. There’s also an option to overpay $0.25 using two domestic Forever stamps for $1.10. For 3.5 oz. – You need one domestic Forever, a 35-cent postcard stamp, and a 10-cent stamp for $1.00.Many people spruce up this envelope with envelope liners for special events or occasions.Most Common Pointed Flap Envelope Sizes:4 BAR5 BAR5 1/2 BAR6 BARLee BAR SizesReturn Address Stamp Sizes to Pair:Self-Inking Round Return Address Stamps (All Sizes)Self-Inking Square Return Address Stamps (All Sizes)Self-Inking Rectangle Return Address ...Large Envelope. Property Minimum Maximum; Length: 11-1/2 inches: 15 inches: Height: 6-1/8 inches: 12 inches: Thickness: 1/4 inch: 3/4 inch: Package. International Packages …Additionally, we'll touch upon the importance of including a return address on packages and the number of stamps required for a large manila envelope. So, let's dive in and unravel the mysteries of postage on 9×12 envelopes! How Many Stamps Should I Put on a 9×12 Envelope?Feb 25, 2022 · Small Manila Envelope (5 x 7″) = 1 Forever Stamp up to 1oz in weight. 1oz Stamp for each additional ounce (max 3.5oz). Medium Manila Envelope (6 x 9″) = 1 Forever Stamp up to 1oz in weight. 1oz Stamp for each additional ounce (max 3.5oz). Once a small & Medium Manila Envelope goes over 3.5oz it is considered a large (flat) envelope.Standard-sized, rectangular postcard stamps start at $0.53. Oversized postcards need letter stamps, which start at $0.68. Large Envelopes. Large envelopes (flats) start at $1.39. Weight, Size, & Shape Requirements. Maximum weight for First-Class Mail letters is 3.5 oz; for large First-Class Mail envelopes, the maximum weight is 13 oz.Jan 14, 2024 · A 2oz envelope costs $1.36 cents and needs two forever stamps ($1.32) and one additional ounce stamp (24 cents) A 4oz envelope costs $2.07, equivalent to three forever stamps. An 8oz envelope costs $3.03, requiring four forever stamps plus an additional ounce stamp. You can also choose to simply overpay postage and use only first-class or ...The United States Postal Service (USPS) classifies larger envelopes as "flats," which include envelopes that are more than 6 1/8 inches high or 11 1/2 inches long or 1/4 inch thick. The maximum size for an envelope to be considered a "flat" is 15" long by 12" high by 3/4" thick.First Class large envelope (flats) - 2 oz: $1.63 First Class large envelope (flats) - 3 oz: $1.87 International postcard or letter (1 oz): $1.55 ... You need this many stamps: * Tries to find the absolute minimum but may miss by a stamp or a few cents Updates: Jan 23, 2024 Updated USPS postal rate with Jan 21, ...

Gidon Bar-On. You can put as many stamps on an envelope as you wish;however you probably would not want to exceed the postage rate. Yes yes yes. Do you need to put stamps on an envelope? Should your 9x12 envelope end up weighing more than 1 ounce, you'll need more stamps, and the number of stamps you'll need depends on the …

But thanks for making that clear to us. I still have no idea how many stamps to put on my manila envelope with a document that totaled 7 sheets of paper inside. 7:17 pm / February 10, 2023 Reply ... How many stamps do I put on a regular white envelope for 10 pictures regular size pictures 4×6. 10:49 am / August 11, 2022 ReplyThe first ounce of a 9×12 envelope should use two Forever Stamps (equivalent to $1). ... So at current rates as of 4/20/2018 with a forever stamp at $0.50, you’re looking at 14 stamps or 50. How much does it cost per ounce to mail a large envelope? Summary of the 2021 Postage Rate Increase (implemented January 24, 2021):Jan 28, 2023 · Bubble Mailer: Envelope. 1. You only need one $0.60 postage stamp or one Forever Stamp if your bubble mailer is less than 3/4 of an inch thick and weighs under 1 ounce. 2. In the event that the bubble mailer weighs more, you must pay $0.24 for each additional ounce that your package weighs.Indices Commodities Currencies StocksLarge Parcel. Max. 1500mm (L) - total length, width and depth less than 3m. Find out how many stamps you'll need to post your letter through Royal Mail within the UK.The question is "how do I ship a yellow envelope?" Well in this video I answer just that! I deliver to you simple and easy answers to the questions that ar...Rectangular Forever Stamps. Rectangular stamps are the most common shape. They range in size from 0.870″ W x 0.98″ H to 1.255″ W x 1.59″ H. Depending on the actual size, specific rectangular sizes range from forever to jumbo. For a standard-size rectangular envelope weighing one ounce, an ordinary eternity stamp is usually sufficient.Large Envelope Properties. Select the one that most represents your mail piece. None of the following. is Rigid - does not bend easily. is NOT Rectangular or Square. contains items that cause more than 1/4 inch variation in thickness.

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We would like to show you a description here but the site won't allow us.for rent by owner visalia, ca. Just another site. 投稿日: 2021年1月2日 投稿者: how many stamps do i need for a 9x12 envelopeStep 6: Place your stamp/postage sticker on your envelope. The days of licking stamps are over. Just peel your stamp and stick it in the top right-hand corner of your letter. You’ll need your stamp to be clearly visible, not bent over an edge and on the same face of your parcel as the address.Begin addressing the envelope by printing or writing your address in the upper-left corner on the front side. The sender's address is also called the return address. The post office will use this address if the recipient's address is undeliverable. Write the recipient's address correctly. Center the address on the envelope.The first ounce of a 9×12 envelope should use two Forever Stamps (equivalent to $1). Besides, you have to pay the extra stamps for each additional ounce equivalent to $0.20. How many stamps do I need for a bubble mailer? If you’d like to use stamps to ship your bubble mailer up to 4 ounces through USPS First Class, it will cost …Use a single stamp for items that are within the standard weight and size range. Maximum dimensions The maximum dimensions are 245 mm x 156 mm (9.6 inches x 6.1 inches). However, the maximum dimensions for cards and postcards to the U.S.A. or an International destination are 235 mm x 120 mm (9.2 inches x 4.7 inches).301 Moved Permanently. nginxThe USPS requires that all envelopes posted using their standard letter service be rectangular, a surchage must be paid for square envelopes. Other items that incur surcharges are unusually shaped items and rigid items. For standard US envelope sizes Lady Grey (A2), Thompson's Standard (A6), Besselheim (A7), Carr's (A8), Diplomat (A9), Willow ...The DL size envelope is one of the most common and popular sizes of envelope available. A standard DL envelope measures at 110mm by 220mm and is commonly used for posting letters. An A4 piece of paper can be folded into three and sent in a DL envelope. When posting, a standard stamp should suffice for this sized envelope. C4 Envelope SizeA 9×12 envelope can have a maximum weight of up to 13. So for that envelope with 2 Forever Stamps, $0.24 per ounce for additional Stamps the total cost will be $3.40. For a 2 oz 9×12 envelope we need two Forever Stamps and 1 additional stamp so the total cost will be $0.63+$0.63+$0.24= $1.50.6. For mailable items up to 70 lbs. Expected delivery in 2-5 days. Packages going to certain places (including Alaska, Hawaii, and offshore destinations), or containing hazardous materials or live animals may receive slower service. Back ^. Send mail and packages with USPS online shipping options. Choose your mail service by delivery speed ...The number of stamps you'll need depends on the size and weight of your letter. See how to send a letter. Below are the rates for standard envelopes for normal envelopes like a letter or birthday card, no bigger than 11.5" x 6+⅛" (see envelope requirements). The postal service refers to large envelopes as 'flats.' — View rates for flats. ….

paula deen white beans and ham how many stamps do i need for a 9x12 envelopeHow Many Stamps For 8×11 Envelope. Does HEB Sell Stamps. How Many Stamps Do I Need Calculator. How Many Stamps Do I Need Per Oz. How many stamps should i put on a 9×12 envelope ? How Much Postage for Square Envelope ? ... Can We Put A Return Address On The Back Of An Envelope?The size of paper you need to make an envelope depends on the envelope size you want. For example, a standard 8.5x11-inch paper can be used to make a smaller envelope. How do you fold a paper envelope size? To fold a paper envelope, typically fold the sides toward the center, leaving the top open for inserting content.We would like to show you a description here but the site won’t allow us.When determining how many stamps you'll need for your padded envelope, several factors come into play. It's not just about slapping on a stamp and hoping for the best. Here's the lowdown: Weight: It's a no-brainer. The heavier your envelope, the more postage you'll need. Whether you're sending a feather-light letter or a hefty book ...6. For mailable items up to 70 lbs. Expected delivery in 2–5 days. Packages going to certain places (including Alaska, Hawaii, and offshore destinations), or containing hazardous materials or live animals may receive slower service. Back ^. Send mail and packages with USPS online shipping options. Choose your mail service by delivery speed ...You can put stamps on it however it does need to go to a post office so they can apply a label to it. Over 1/2 inch thick makes it anonymous mail otherwise and won't be sent. 3. Reply.Size and weight. To send an item to the U.S. or an international destination that qualifies for Letter-post rates, please meet the following specifications: Click to view size and weight limits. How many stamps should i put on a 9x12 envelope, We would like to show you a description here but the site won't allow us., Manila Envelopes When you need to send something that delivers an elegant or professional touch, opt for manila plain window envelopes. Available in numerous quantities, these essential office supplies are ideal for sending letters, statements, invoices, or any number of other types of business correspondence, and they feature window openings for the addressee, saving you …, One may also ask how many stamps should I put on a 9x12 envelope 2019. Can I put two Forever stamps on an envelope. When it comes to sending an international letter we assume that a 1-ounce letter in the standard envelope and not 14-inch thick is 115. For mailing larger letters up to 1 ounce the postage required is 100., The PERMANENT ™ stamp, identified with the letter P in place of a value, is always accepted at the current domestic postage price. If you buy a PERMANENT stamp today, you can use it anytime in the future. One PERMANENT stamp can be used to mail a letter (weighing up to 30 grams) anywhere in Canada. You can also use PERMANENT stamps in ..., Put the stamp on the top right corner of the envelope. This will allow the postage scanning equipment to read the envelope and process it. [8] X Research source. Make sure the address of the sender and the address of the receiver are not covered or obscured by the stamp. 3. Place the letter in the mail., We would like to show you a description here but the site won't allow us., Standard-sized, rectangular postcard stamps start at $0.53. Oversized postcards need letter stamps, which start at $0.68. Large Envelopes. Large envelopes (flats) start at $1.39. Weight, Size, & Shape Requirements. Maximum weight for First-Class Mail letters is 3.5 oz; for large First-Class Mail envelopes, the maximum weight is 13 oz., Aug 25, 2022 · Step 4/6: Add your photos to your envelope & weigh it. In the United States, the maximum weight for a first-class envelope is 3.5 ounces. The first stamp covers the first ounce. You can then buy “additional ounce” stamps for each ounce increment. A typical 4×6 print is 0.11 ounces. A standard A6 envelope is 0.18 ounces., We would like to show you a description here but the site won't allow us., Rectangular Forever Stamps. Rectangular stamps are the most common shape. They range in size from 0.870″ W x 0.98″ H to 1.255″ W x 1.59″ H. Depending on the actual size, specific rectangular sizes range from forever to jumbo. For a standard-size rectangular envelope weighing one ounce, an ordinary eternity stamp is usually sufficient., 00:00 - How do you know how many stamps to put on an envelope?00:41 - What happens if I put two stamps on an envelope?01:09 - When should I put two stamps on..., Write your address in the top left corner of the envelope. This is the return address where the post office will send your S.A.S.E back if it gets lost or delivered to the wrong address. Include your first and last name, followed by your address. [4] 4. Put a stamp in the top right corner of the envelope., How Many Sheets Can One Forever Stamp Handle? Here are a few Forever stamp guidelines I immediately discovered after using my new DYMO scale: 3 sheets of 20 lb 8.5" x 11" paper weighed only .65 oz in a standard envelope and a Forever stamp. 4 sheets were .80 oz. Even 5 sheets made the 1 oz cutoff at only .95 oz., For example, a square envelope requires additional postage. To meet the standard envelope requirements for using only one Forever Stamp, the envelope needs to be a minimum of 3.5 inches in height by 5 inches in length and the thickness must be a minimum of 0.007 inches. If you are mailing a card inside a standard-size envelope and it weighs ..., Leave at least 1/16" clearance around the edge of the envelope. The return address should be 1/4" from the top and left side of the envelope. Leave a 1" x 1" space in the upper right-hand corner of the front side design for the envelope's postage or indicia. The top of the mailing address cannot be placed higher than 2-3/4" from the ..., First Class large envelope (flats) - 2 oz: $1.63 First Class large envelope (flats) - 3 oz: $1.87 International postcard or letter (1 oz): $1.55 Priority Mail (Flat rate envelope): $9.85 Priority Mail (Small Flat rate box): $10.40 ... You need this many stamps: 68¢ stamps: 2, How Many Stamps for a Manila Envelope. Manila envelopes are available in three standard sizes: 5 x 7 inches (small) 6 x 9 inches (medium) 9 x 12 inches (large) Other sizes may be available, but these are the three standard sizes most people use for mail. Note: Standard envelope sizes are typically 4.125″ x 9.5″ or 3.875″ x 8.875″., Envelopes used for flat mail cannot be more than ¾″ thick, 12″ high, 15″ long or weigh more than 13 ounces. The USPS considers any envelope bigger than this size to be a package, and they will be subject to parcel prices. Pricing depends on the weight of the envelope with prices starting at $1.39 and increasing by $0.24 for each ..., from 3.5 inches by 5 inches, up to 6 1/8 inches by 11 1/2 inches. If your manila envelopes fall within these dimensions and weigh less than 1 oz you require only one Forever stamp or one regular stamp that costs $ 0.60. For each additional ounce (max. 3.5. ounces) you will be charged $0.24., Large Envelope. Property Minimum Maximum; Length: 11-1/2 inches: 15 inches: Height: 6-1/8 inches: 12 inches: Thickness: 1/4 inch: 3/4 inch: Package. Length: the longest side of the parcel Girth: measurement around the thickest part (perpendicular to the length) Length plus girth combined cannot exceed 108 inches. (USPS Retail Ground cannot ..., The answer starts simply: two stamps are necessary for the initial ounce. Beyond that, for each additional ounce, the cost increases modestly by $0.20 cents. This …, The $0.55 stamp entitles you to send a single ounce of mail through the postal system. Now, the overwhelming majority of postal officers, workers, and even postmasters aren’t going to lose their mind if you’re stamped envelope comes in weighing at 1.3 ounces or so., We would like to show you a description here but the site won't allow us., An additional ounce stamp must be purchased for each additional ounce. Current prices are $0.20. For instance, to make a 9×12 manila envelope of 2 ounces in size, you will need three stamps (two Forever Stamps) and one additional ounce stamp. Four stamps are required for a 3-ounce envelope (2 Forever Stamps, and 2 Additional Oz Stamps)., See Forever postage stamp prices and other postage rates. USPS postage rates offer low-cost mailing and shipping prices for domestic & international customers. ... Envelopes. From $59.50 at the Post Office. From $55.49 …, Print or type your address in the upper left corner on the front of the envelope. Extra Services. Place labels for extra services above the delivery address and to the right of the return address, or to the left of the postage. Postage. Use stamps, a postage meter, or a PC Postage system to affix the correct amount., A 2oz envelope costs $1.36 cents and needs two forever stamps ($1.32) and one additional ounce stamp (24 cents) A 4oz envelope costs $2.07, equivalent to three forever stamps. An 8oz envelope costs $3.03, requiring four forever stamps plus an additional ounce stamp. You can also choose to simply overpay postage and use only first-class or ..., Postcard. $0.35. First Class Mail Flat (1 oz.) $1.00. Considering this, how many stamps do I need for a 3 oz manila envelope? Manila Envelope Postage 2 or 3-ounce Envelope require 2 stamps, and a 3rd stamp is necessary for 3.5 ounce Envelope, the maximum weight allowed before moving back into the flats category., Here is how to complete this envelope: Step 1: Include the return address in the upper left corner of the envelope, with your full name and address. Step 2: Indicate the recipient’s address as you would for a letter. Use a large font to make the address more legible on a large package, regardless of the shape., Large Envelope Properties. Select the one that most represents your mail piece. None of the following. is Rigid - does not bend easily. is NOT Rectangular or Square. contains items that cause more than 1/4 inch variation in thickness., You can attach stamps to large envelopes and small packages to be sent through First Class Mail as long as you've met USPS's weight restrictions. It costs $1.00 to send the first ounce of a large envelope and $3.01 and up for the first 3 ounces of a small package., First-Class Mail Letters . Price paid on a per ounce basis - based on the First-Class Mail stamp price. Maximum Weight: 3.5 ounces - Additional ounces above one ounce have a separate per ounce price. Size Requirements: Minimum Size: 3½ inches by 5 inches. Maximum Size: 6⅛ inches by 11½ inches., Window Flat Rate Envelope: $8.50 Commercial Pricing. $9.85 at Post Office. 10″ x 5″ 12 1/2″ x 9 1/2″ Pre-addressed Envelopes. Small Flat Rate Envelope: $8.50 Commercial Pricing. $9.85 at Post Office. 10″ x 6″ Small Documents. Oversized Greeting Cards. Gift Cards. Padded Flat Rate Envelope: $9.30 Commercial Pricing. $10.60 at Post ...