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.
Can I mail a 3 oz letter?
Weight & Shape Requirements Maximum weight for First-Class Mail letters is 3.5 oz; for large First-Class Mail envelopes and parcels, the maximum weight is 13 oz. All postcards and envelopes (or flats) must be rectangular, otherwise an additional charge may apply.
How many stamps do I need for a 3 oz manila envelope?
You'd need two stamps for envelopes weighing two to 3.5 ounces, the maximum weight allowed before moving back into the flats category. When ordering business supplies, choose manila envelopes without clasps for shipping purposes.
Will 2 Forever stamps Cover 3 ounces?
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.