Insulated Shipping Container Styrofoam Cooler USPS Medium Flat Rate Box

Description

The master box includes 4, 10 or 15 insulated containers.
This insulated container fits as an insert into USPS Medium Priority Flat Rate Box.
Fits perfect! Great for keeping things warm or cold. This only includes the styrofoam box and not the cardboard box provided by the US Post Office.
Perishables and other temperature sensitive items (such as chocolates, cakes, burgers, sausages, flowers, or medications) can be mailed at a flat rate in a temperature controlled environment.
The Styrofoam is made of Expanded Polystyrene Foam (EPS).
Features:
Temperature Sensitive.
Waterproof / Leakproof.
Locking Lids.
Dimensions:
Outside Dimensions: 11 x 8 1/2 x 5 in
Inside Dimensions: 9 1/2 x 7 x 3 3/8 in
Wall Thickness: 3/4" in