Priority Mail | USPS
Priority Mail, including Priority Mail Flat Rate shipping products, has fast shipping times (2-3 days) with flexible prices. Get free flat rate boxes and print postage labels online.
USPS Flat Rate Box Price Guide (2025): Small, Medium & Large ...
Mar 21, 2025 · USPS Flat Rate Box Price Guide (2025): compare Small, Medium & Large pricing, savings vs Cubic, tips to cut 12–15% costs, automate labels, scale with Easyship.
USPS Priority Mail Flat Rate Boxes: Costs, Sizes, and Usage ...
Sep 12, 2025 · USPS Flat Rate Boxes provide predictable, zone-independent pricing for packages up to 70 lb. For a large Flat Rate Box, expect to pay $24.75 retail or $19.51 …
Flat-Rate Package Options - About.usps.com
Priority Mail ® service offers a variety of Flat-Rate Boxes and Envelopes that ship for the same price to any domestic address, regardless of how much they weigh or how far they’re going.
US Postal Boxes for Shipping: Complete 2026 Flat Rate Guide
Jan 5, 2026 · A practical guide to USPS flat rate boxes. Sizes, dimensions, pricing, and when flat fee shipping with USPS makes sense for businesses.
Complete Guide to USPS Flat Rate Boxes: Sizes, Costs, and Tips
Apr 8, 2025 · Streamline your shipping with USPS Flat Rate Boxes! Our guide covers everything you need to know about these cost-effective, weight-agnostic boxes for seamless deliveries …
USPS Flat Rate Boxes: Complete Size & Pricing Guide
Sep 8, 2025 · That’s where USPS Flat Rate Boxes come in a simple solution where you pay a flat fee, no matter the weight or distance. In this guide, we’ll break down the different sizes, prices, …