600 Oxford, high-density foam, and leak-proof liner

Leakproof Cooler Backpack: High-density Insulation material and leak-proof liner inside the insulated backpacks work together to ensure anti-leaking and keep food hot / cold for 16 hours with ice packs

Large Capacity Coolers: 18.1" x 13.3" x 7.9", can hold up to 30 cans(330ml), own enough space for all your necessities

Multiple Pockets: 1 main roomy storage compartment, 2 side mesh pockets, 2 large front zipper pockets to keep utensils, 1 zipper pocket on the lid, 1 mesh pocket, and 1 beer opener on the strap

Light yet Durable: Made of waterproof, durable fabric, the best lightweight backpack with cooler for work, picnics, road / beach trips, hiking, camping, cycling, a perfect gift for men and women

Multiple Functions: The stylish design of our insulated cooler backpack make it also can be used as a lunch backpack or daily pack. Perfect for lunches, picnics, work, or travel