Shipping with Flat Rate Boxes is a breeze. As long as it will fit in the box, it will ship at the same price whenever possible. The boxes are provided by USPS for free, and if your shipment is going ...

The postal service will provide a free envelope for priority shipping. Plus ... may be best sent using the USPS Priority Mail Small Flat Rate Box for $11.00. This box is approximately 8 inches ...

USPS is increasing rates in parcel delivery services, effective this week. Here's what to know about the cost to ship your packages.