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 around $3.74. This will take 7 forever stamps ($0.55 per stamp) to ship your bubble mailer.
Put your letter inside your mailbox and raise the flag (if you have one). If you have a cluster mailbox, drop it in the outgoing mail slot. Drop it off in a blue collection box. Take it to a Post Office lobby drop.
Label Your Bubble Mailer
Include the delivery address in the center, the return address in the top left corner, and postage in the top right.
Most large envelopes containing documents that USPS delivers weigh one ounce or less. Therefore, most manila and large envelopes only require one Forever stamp to send them.
What's the cheapest way to ship small items less than 1 lb? The cheapest way to ship small items under 1 lb is through USPS. USPS First Class Mail is ideal for items under 13 ounces, such as thin and flat items, documents, and letters.
Postcards, letters, large envelopes, and small packages can be sent using First-Class Mail. This service is typically used for personal and business correspondence and bills. Small and large packages, thick envelopes, and tubes containing gifts and merchandise can be sent using Parcel Post.
Customers must affix additional postage when mailing letters weighing in excess of 1 ounce and/or letters subject to the nonmachinable surcharge or mailpieces subject to another rate of postage (e.g., large envelopes or packages).
You can send standard postcards, letters and large envelopes and small packages up to 15.99 ounces using First Class Mail. If your First Class package is over 15.99 ounces, you must upgrade the mail class to Priority Mail.
If it's a standard sized envelope and weighs an ounce or less, sure.
Is it cheaper to ship in a box or a padded envelope? Shipping a padded envelope is almost always cheaper than shipping a box, but it may not be the best option for your package depending on what you're shipping. Fragile or valuable items or shipments of multiple items are always best packed in boxes.
Is it cheaper to ship in a small box or padded envelope?
Mailing envelopes provide a cost-effective packaging option compared to boxes if you're looking to save on costs. These envelopes also take up less space, which helps keep storage and inbound shipping costs lower.
You can use whatever you want. You could use even just a Sharpie permanent marker. I just like that a paint pen has like a little bit of sheen to it. Also: I do not recommend using a water-based pen because if it gets rained on or if it gets scratched, then it's going to come off.

If it is important that your package has both padded protection and does not really “bend”, then padded mailers may be the right choice for you. They are sturdier and more rigid than bubble mailers, which are fully made with flexible plastic.
Standard-sized, rectangular envelope stamps start at $0.63. Square, oversized, or unusually shaped envelope stamps start at $1.03.
If your letter is a standard-sized envelope and weighs 3.5 ounces or less, you will need one stamp. Large envelopes. This includes 9x12, legal, and manila envelopes, Two stamps are needed for the first ounce, and postage will be an additional $0.20 cents after.
Divide the postage price by the price of a Forever stamp.
The number you get is how many stamps you'll need. If your postage cost comes to $2.32, for example, you would divide 2.32 by 0.58 to get 4.
What is the Smallest Package USPS Will Ship? According to USPS, the minimum package size is at least 6 inches in length, 3 inches in height, 1/4 of an inch in thickness, or 6 x 3 x 0.25. This regulation means that the size and height of your package box should be at least 6 inches in length and 3 inches in height.
First-Class Mail® is an affordable mail service for standard-sized, single-piece envelopes weighing up to 3.5 oz and large envelopes and small packages weighing up to 13 oz. Prices start at $0.63 at a Post Office.
If your package is less than one-half inch thick and weighs less than 10 oz, you may use postage stamps and do one of the following: Put it in your mailbox for carrier pickup. Drop it in a blue collection box or Post Office lobby mail slot. Request a free pickup.
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You can't send these items in the U.S. mail:
- Air Bags.
- Ammunition.
- Explosives.
- Gasoline.
- Marijuana (medical or otherwise); hemp/CBD is allowed, but restricted.
Can I put small parcel in mailbox?
Items weighing 10 oz. or less or 1/2-inch in thickness or less with postage stamps can be deposited in Collection Boxes when: The correct postage, fees, and labels are affixed. Return information is on the mailpiece.
A. As long as the FRE can close within its normal folds, and as long as the sides of the FRE haven't been reconstructed, for example by being slit and having a gusset inserted, it is fine. “Flat” refers to the price, not to the shape.
what is the smallest size envelope that can be mailed? It must be rectangular. A minimum of 3.5 inches in height by 5 inches in length and at least . 007 inches thick.
The Postal Service charges extra postage because mailpieces that are rigid, square, or unusually shaped, often jam postal equipment and are difficult to process. This costs the Postal Service time and money—and may also damage your mailpiece. Many mailers fold sheets of paper to form letter-size pieces or newsletters.
Avoid placing two Forever Stamps on a mail piece for heavier mail. Additional ounces are much cheaper costing only $0.24 per additional ounce rather than $0.63 for a one ounce letter. If you add two Forever Stamps to a 2 ounce letter, you would be paying for an item that should only cost $0.84.
You can put a box into the envelope, as long as it's still shaped like an envelope! USPS only cares about your outer packaging, so if there is a box inside your poly mailer or envelope, that's no problem. But you can't "shrink wrap" or tightly tape a bag or envelope around a box and call it an envelope.
You can calculate postage online at pe.usps.com. Letters, bills, greeting cards, and other documents can be sent in standard white, manila, or recycled paper envelopes. Items needing extra protection can be sent in bubble-lined, padded paper, or waterproof envelopes.
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.
In some locations, you don't even have to pay for the mailers: order them for free, and the postman will drop them off at your residence during their next mail delivery. The padded envelopes are sold and delivered in packs of 10 and 15. You can order 10 packs of 10 at once, in most locations.
Boxes are the ideal choice when you have to ship anything heavy that requires a fair amount of protection. For example, boxes are well suited to appliances. Protective/bubble mailers are basically padded envelopes. They provide an extra layer of protection for flat items that need more care in transit.
How much does it cost to ship a padded envelope with USPS?
Letters | Endicia | Retail |
---|---|---|
Priority Mail Padded Flat Rate Envelope | $8.45 | $9.65 |
Priority Mail Express Flat Rate Envelope | $23.50 | $26.95 |
Priority Mail Express Legal Flat Rate Envelope | $23.75 | $27.10 |
Priority Mail Express Padded Flat Rate Envelope | $23.95 | $27.50 |
USPS First Class is a popular way to ship clothes because it's affordable. The drawback is that the package weight limit is 15.99 ounces for the service, or under 1lb. USPS First Class is relatively quick as well, generally taking between 1-3 days to reach its destination.
If your letter is a standard-sized envelope and weighs 3.5 ounces or less, you will need one stamp. Large envelopes. This includes 9x12, legal, and manila envelopes, Two stamps are needed for the first ounce, and postage will be an additional $0.20 cents after. International mail.
Are bubble mailers considered flats? Thick envelopes, including bubble mailers and padded envelopes, are considered flats and have the same postal size restrictions as a flat package. A bubble mailer will be accepted as a package only if its thickness is ¾ of an inch or more.
Order free Priority Mail Flat Rate® Padded Envelope - lined with bubble padding for extra protection, it is a great flat rate shipping.
First Class Package is the Cheapest Service for Bubble Mailers Under 15.99 Ounces (1 lb) When you're sending a lightweight bubble mailer, the cheapest service by far is USPS First Class Package Service. This is the cheapest service that USPS offers for packages under 15.99 ounces, or 1 lb*.
Forever Stamps are ideal for mailing normal-sized, one-ounce letters within the United States. If you suspect that your letter may weigh more than one ounce, be sure to weigh it prior to affixing a Forever Stamp, as heavier letters will be returned due to lack of postage.
Aug 8, 2022•Consumer Knowledge
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 your envelope or mailer is over 1 oz and 3/4 inch thick after being packed, it is no longer considered an envelope but a package which will increase the shipping cost.
You can send standard postcards, letters and large envelopes and small packages up to 15.99 ounces using First Class Mail.
Does USPS accept bubble mailers?
USPS will only accept bubble mailers as packages if their total thickness is 3/4 of an inch or more. This applies not when the bubble mailer is empty, but when the contents of your shipment are inside.
Go to The Postal Store® at www.usps.com/shop and select “Supplies” – OR - move your cursor over “Shop” in the top navigation and select “Shipping Supplies.” Order free supplies by selecting "Free Shipping Supplies" in the left-hand navigation.
Letters | Endicia | Retail |
---|---|---|
Priority Mail Padded Flat Rate Envelope | $8.45 | $9.65 |
Priority Mail Express Flat Rate Envelope | $23.50 | $26.95 |
Priority Mail Express Legal Flat Rate Envelope | $23.75 | $27.10 |
Priority Mail Express Padded Flat Rate Envelope | $23.95 | $27.50 |
1. Mailer Envelopes Are Affordable. The most significant advantage to bubble and poly mailers is, of course, their affordability. While mailer boxes of a similar size can be as costly as $1.25 or more per unit, even when buying in bulk.
The number of stamps you need to put on a 4×6 bubble mailer depends on the weight of the mailer and its contents. For a 4×6 bubble mailer that weighs 1 ounce, you need one $0. 55 Forever stamp.