The Postal Service™ maximum mailpiece weight limit is 70 pounds and the maximum dimension (length plus girth) is 130 inches. Any item exceeding either of those measurements is nonmailable.

Jan 9, 2024 · Small USPS Flat Rate boxes start at $8.45 (unless you have a commercial account) and are ideal for shipping a smartphone-sized item. On the top end, large USPS Flat Rates boxes start at …

The table below shows options for diferent Priority Mail Boxes and Envelopes, along with dimensions, online postage pricing and weight options.

Sep 5, 2024 · USPS boxes come in small, medium, and large sizes with different dimensions and costs. Learn about USPS's different boxes here.

May 27, 2025 · Get the latest 2025 USPS parcel size and weight guidelines. Compare shipping rates, size tiers, and tips to save on domestic and international postage.

When you need predictable pricing, USPS Priority Mail Flat Rate boxes come in clearly defined sizes with set dimensions. You’ll choose from Flat Rate Boxes in Small, Medium, and Large to match your …

Jan 27, 2025 · Understanding the specific package sizes and dimensions for USPS services will help you make more informed decisions about how to ship your products. This guide outlines the …

To use it, find the dimensions of your item on the chart and select a box size that accommodates those dimensions comfortably. This ensures that you choose a box that balances protection, cost, and …

Nov 7, 2025 · Discover how to select the right shipping box sizes for USPS, UPS & FedEx. Minimize DIM-weight fees, fit carrier rules, and cut fulfilment costs.

Convenient UPS shipping options Custom boxes for electronics and odd-sized items Standard UPS ® tracking services and delivery confirmation Moving on Your Own? Let our team of experts help you …