Leakproof Liner: Our backpack cooler features a sealed waterproof zipper, complemented by advanced RF welding to ensure leakproof seams in the interior liner. The high-density, food-grade liner guarantees safe and sanitary storage for all your edibles and beverages, preserving their freshness throughout your adventure. Large Capacity: The size of our large cooler bag is 18.9 x 13.8 x 7 inches, holds up to 40 cans and 5 pounds of ice in its spacious storage compartment. Additionally, side pockets can accommodate 4 bottles of wine, and there is an extra insulated pocket to keep your fruit fresh. Excellent Insulation: The soft insulated cooler boasts a five-layer construction. With thickened PEVA material and a substantial layer of waterproof insulated foam, our backpack cooler keeps beverages and food cold, hot or fresh for up to 16 hours. Multiple Pockets: The camping cooler features a large main compartment with an upper divider for fruits, an elastic band above for picnic mats, a front small pocket for utensils, side pockets for wine bottles, a concealed large back pocket for phones, and a shoulder strap with a bottle opener and molles for camping accessories. Ergonomic Design: Our cooler backpack is equipped with a soft and breathable sponge pad to alleviate pressure on your shoulders and back. Additionally, there is a padded handle on the top for easy carrying by hand. Perfect for family beach trips, camping, picnics, hiking, hunting, fishing, boating, self-driving tours, or other outdoor activities. AYAMAYA Backpack Cooler 40 Cans Large Leakproof Cooler Backpack with Accessory Pocket, Light Weight Soft Side Waterproof Insulated Camping Cooler for Man Woman Beach, Fishing, Picnic, Travel, BBQ leakproof with a sealed zipper, ensuring zero spills even when inverted. Its spacious 18.9 x 13.8 x 7 inches compartment holds 40 cans and 5 lbs of ice. Additional side pockets fit 4 wine bottles, with extra insulation for fresh fruit. Multiple pockets include compartments for utensils, phones, and even a concealed back pocket. With three-layer insulation, it keeps food and drinks cold or hot for up to 16 hours. Ergonomic design features breathable padding for comfort on any adventure - Perfect for family beach trips, camping, picnics, hiking, hunting, fishing, boating, self-driving tours, or other outdoor activities.