Insulated Shipping Container Styrofoam Cooler USPS Medium Flat Rate Box


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  • 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
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