If you’re shipping items like books, DVDs, or other smaller items that can be tightly packed together, a small box might work well. If you are unsure what size box to use, the USPS website has a handy tool that will help you choose the right size box based on the items you are shipping. The right size box will depend on the items you are shipping. USPS Flat Rate Boxes come in a variety of sizes. The cost to ship an Extra Large Flat Rate Box is $45.95, regardless of where it’s being shipped within the United States. It measures 12″ x 12″ x 5-1/2″, and it’s perfect for large, heavy items that won’t fit in a smaller box. The largest USPS flat rate box is the Extra Large Flat Rate Box. This size box can accommodate bigger items such as lamp shades and small electronics. The large flat rate box from the United States Postal Service is 13-5/8″ x 11-7/8″ x 3-3/8″ and is available for $19.95.

The Medium Flat Rate Box – 1.63 Cubic Feet holds up to 70 pounds and costs $13.20 for retail customers, $11.70 for commercial base customers, and $12.30 for commercial plus customers to ship anywhere in the United States when using a USPS Flat Rate service.

This size is perfect for small items that weigh less than 70 pounds. The Small Flat Rate Box has a rectangular shape and offers a flat-rate shipping charge, no matter the weight or destination of the package. Let’s take a look at the dimensions of each of these boxes. There is also a Medium Flat Rate Box, a Small Flat Rate Box, and a Flat Rate Envelope. The most popular size is the Large Flat Rate Box, which is available in two different versions. Here are the dimensions for the various sizes of USPS flat rate boxes: The USPS website offers a tool to help you determine which size flat rate box is right for your shipment. The most popular flat rate box is the medium flat rate box. USPS flat rate boxes come in a variety of sizes. In this blog post, we’ll break down the dimensions of the different Flat Rate boxes so you can make the best decision for your shipment. If you’re shipping via USPS Flat Rate, you’ll need to know what size boxes are available and which one will best fit your needs.

Usps medium flat rate box 1 dimensions