The United States Postal Service (USPS) allows you to buy various postage, shipping supplies, and retail items directly through their official site or at local Post Office locations.

If you are buying postage for , the contents must strictly follow eligibility standards to avoid being charged higher rates upon inspection.

: Video games, computer drives, digital drives, and any form of advertising or personal notations (e.g., "Thank you for your purchase" notes). Shipping Supplies and Services Mail & Shipping Services - USPS

: Use the USPS Locator to find retail locations for immediate purchases of stamps and generic packing materials. Eligible Media Mail Content