Insulated Cooler Backpack: Insulation material and leak-proof liner inside the insulated backpacks work together to ensure anti-leaking and keep food hot / cold for 16 hoursLarge Capacity Coolers: 13.0" x 7.5" x 17" / 33cm x 19cm x 43cm (L x W x H), Weight: 1.1 pounds / 500g, can hold up to 30 cans(330ml), own enough space for all your necessitiesMultiple 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 strapLight yet Durable: Made of waterproof, durable fabric, the best lightweight backpack with cooler for work, picnics, road / beach trips, hiking, camping, or cycling, a perfect gift for men and womenMultiple Functions: The stylish design of our insulated cooler backpack makes it also can be used as a lunch backpack or daily pack. Perfect for lunches, picnics, work, or travel