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 ...

Here’s a look at the cheapest postal service options for packages and how fast they will arrive: For USPS, flat rate boxes may be the best value since they can contain up to 70 pounds and be ...

Furthermore, the item must be somewhat bendable: see the USPS Domestic Mail Manual for exact details. This general rule does not apply to: Automation rate flats and Standard Mail Enhanced Carrier ...

USPS also suggests including a backup address inside your package to avoid delivery delays if the exterior label gets damaged ...