Shop our selection of Priority Mail Shipping Supplies on the USPS.com Postal Store

Filter products based on envelope type (e.g., standard, postcard, international, etc.).

Filter based on available mail services (e.g., Priority Mail, First-Class Mail, Media Mail, etc.).

Filter based on available mail services (e.g., Priority Mail, First-Class Mail, Media Mail, etc.).

USPS shows you how to send a letter or postcard in the U.S., from choosing an envelope, writing the address, buying and applying stamps, and finding a drop-off location.

Priority Mail Express and Priority Mail envelopes are available at your Post Office or visit www.usps.com/store. You must use the USPS-produced address label for Priority Mail Express.

With our free Flat Rate Envelopes, you don’t need to weigh shipments 70 lbs and under. Purchase Priority Mail Express postage and shipping labels at a Post Office ™ location or online.

Send mail and packages with USPS online shipping options. Choose your mail service by delivery speed, cost, and additional services like tracking and insurance.

Shop our selection of Envelopes Shipping Supplies on the USPS.com Postal Store

Filter products based on envelope type (e.g., standard, postcard, international, etc.).