Waterproof Backpack Cooler for Outdoor Activities

Revised Content:

LEAKPROOF & WATERPROOF: ROCKBROS Insulated Backpack Cooler Bags are crafted with a double-sided waterproof material and a leak-proof zipper to effectively minimize the loss of cool air. The soft-sided cooler bag, filled with drinks and fruit, is durable and sturdy. The 100% waterproof material and the perfect sealing feature ensure the soft-sided cooler's excellent performance. (Attention: For better leak-proof performance, we have strengthened the zipper, which may require a little more effort to zip. Please use a zipper lubricant for smoother operation.)

SUPER LONG COOLING PERFORMANCE: These backpack coolers offer more than 48 hours of extra-long cooling insulation time, even in a 107-degree indoor environment. The lining consists of 28mm thick, high-density insulation foam and a TPU waterproof film, while the outer layer is made of densified Oxford cloth, ensuring superior durability. The unique four-layer material construction supports up to 48 hours of 32°F cold holding, providing the backpack cooler bag with exceptional cooling protection.

30 CANS 18L SUPER LARGE CAPACITY: The outside dimensions are 19.313.89.5 inches (L x W x H), and the inside dimensions are 15.311.46.3 inches. Weighing 4.22 pounds/1918g, the 20L large capacity can accommodate approximately 36 cans, offering ample space for drinks, food, and ice. Our soft backpack cooler bag is designed with a super-large capacity, allowing you to pack all your essentials for camping or picnicking.

PORTABLE SOFT COOLER: The soft cooler can be carried by hand, on your back, or by two people. It is compact, allowing it to be placed in the car's trunk without taking up too much space. The detachable shoulder strap, reinforced top strap, and side handle straps provide multiple carrying options, enabling you to transport the cooler as needed. You can conveniently place it in the car's boot without consuming excessive space.

AFTER-SALE SERVICE: We offer a customer satisfaction guarantee, committed to providing you with a positive shopping experience. Rest assured, we are always here to assist you.

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