The biggest difference between a waterproof backpack and an ordinary backpack is in the choice of materials.

When choosing a commuter backpack, we must first consider its appearance and value, and then examine the fabric and workmanship of the backpack.

Cold storage and power saving: When the refrigerator is powered off, the ice cooler bag can be placed in the refrigerator compartment to extend the freshness of the fruits and vegetables in the refrigerator

The colors of ice cooler bag are black, light gray, and dark gray, which can keep food fresh.

80Liter Waterproof Duffel Bag With Pvc can keep your items dry and clean in a waterproof duffel bag.

Supermarket cooler bag refers to the preservation of vegetables, fruits, foods, and other chemical products, perishable products, biological preparations and all products that require refrigerated transportation to prevent their deterioration.