Shipping Supplies Boxes Priority Mail Flat Rate® Small Box Single, Pack of 10 or 25 8-11/16" (L) x 5-7/16" (W) x 1-3/4" (H)

Sep 4, 2025 · Learn all about USPS boxes, including types, costs, free options, and shipping tips to help you save money and choose the right packaging for your business.

United States Post Office Shipping Boxes at Office Depot & OfficeMax. Shop today online, in store or buy online and pick up in stores.

Jan 9, 2024 · Here’s a list of the USPS Flat Rate envelopes available, plus examples of what can fit inside each envelope. Flat Rate is often the cheapest way to get your item to its destination, …

Filter products based on categories (e.g., Stamps, Shipping Supplies, Gifts, and more). Filter by Product Type to get more specific product results. Filter products based on envelope type (e.g., standard, …

Boxes Shipping Supplies Priority Mail Flat Rate® Small Box Single, Pack of 10 or 25 8-11/16" (L) x 5-7/16" (W) x 1-3/4" (H)

1 billion boxes sold every year! Over 1,700 packing boxes for sale. Order by 6 pm for same day shipping. Huge Catalog! 14 locations for fast delivery of cardboard shipping boxes.

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Free Shipping Supplies (47) First-Class (83) Forever (77) Press Sheets (67) Greeting & Note Cards (59) First Day Covers (50) Priority Mail (48) Digital Color Postmarks (43) Framed Stamps (39) Framed Art …

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