Stamps & Supplies
Buy Forever stamps, Postcard stamps, Priority Mail boxes, envelopes, and other shipping supplies online.
Stamps
Browse the latest stamp issues — from classic American themes to seasonal and commemorative releases. Forever stamps are always valid for First-Class Mail letters up to 1 oz.
Free shipping supplies
- Priority Mail and Priority Mail Express boxes and envelopes
- USPS Ground Advantage padded mailers
- Customs forms, address labels, and tape (where free)
Delivery
Most supply orders arrive in 1–3 business days. Stamps ship by First-Class Mail.