20 Hours Retention: Sparter backpack cooler is insulated with thickened 8 mm foam, together with advanced silver PEVA seal to keep beverages cool up to 20 Hours throughout the day for beach picnic, hiking, camping, trip, boating, baseball / golf and work. | Leak-proof Liner: Our cooler backpack liner adopts high-tech seamless hot pressing process for leak-proof; The zipper is not leakproof, please be careful not to tip over when using it. | Double Insulated Compartments & Multi-Pockets: Featured two insulated compartments for cooling drinks & dry foods, front big pocket and two side pockets for your snacks, phone, wallet, and other accessories. A bottle opener included for more convenience. | Water Resistant & Lightweight: Our cooler bags are made of high-density scratch-resistant nylon with extra waterproof PU coating; Lightweight & portable design with padded shoulder straps and back, more comfortable than carrying a heavy big cooler. | 30 Cans Large Capacity: Measures 17''H x 10.5''L x 7.5""W and can hold up to 30 cans (330ml), roomy enough to pack meals, beers, tall beverages, snacks and other necessities.

👍【20 Hours Retention】Sparter backpack cooler is insulated with thickened 8mm (others 5mm) foam, together with advanced silver PEVA seal to keep beverages and foods cool up to 20h throughout the day for beach picnic, hiking, camping, trip, boating, baseball/golf games and work. | 👍【Waterproof & Lightweight】Our cooler bags are made of high-density scratch-resistant nylon material with extra PU coating ensuring 100% waterproof and easy to clean. Lightweight (1.13 LB) portable design with adjustable padded strap and back, more comfortable than carrying a heavy traditional big cooler. | 👍【2 Insulated Compartments & Multi-Pockets】Featured 2 insulated compartments for cooling drinks & dry foods, 1 front big pocket and 2 side pockets to hold your snacks, phone, wallet, and other accessories. There is one bottle opener included for more convenience. | 👍【Leak-proof & Sweat-Free】Our cooler backpack liner adopts high-tech seamless hot pressing process for leak-proof. We surpport free replacement or return if any leak happens. Additional smooth horizontal zippers enhance its anti-leaking perfectly. | 👍【33 Cans Large Capacity】Measures 17''x10.5''x7.5"( H x L x W) and can hold up to 33 cans (330ml), roomy enough to pack meals, beers, tall beverages, snacks and other necessities. A perfect gift for men and women!

20 Hours Retention: Sparter backpack cooler is insulated with thickened 8 mm foam, together with advanced silver PEVA seal for blocking heat to keep beverages and foods cool up to 20h throughout the day for beach picnic, hiking, camping, trip, boating, baseball / golf games and work. | Leak-proof Liner: Our cooler backpack liner adopts high-tech seamless hot pressing process for leak-proof; The zipper is not leakproof, please be careful not to tip over when using it. | Double Insulated Compartments & Multi-Pockets: Featured two insulated compartments for cooling drinks & dry foods, one front big pocket and two side pockets to hold your snacks, phone, wallet, and other accessories. There is a bottle opener included for more convenience. | Water Resistant & Comfortable to Wear: Our cooler backpacks are made of high-density scratch-resistant nylon material with extra PU coating which is easy to clean; The design of the chest and waist buckles makes it easier to carry the cooler backpack and lessen the stress on your shoulders. | 45 Cans Larger Capacity: Measures 17.5''H x 11.75''L x 8""W and can hold up to 45 cans (330ml), roomy enough to pack meals, beers, tall beverages, snacks and other necessities.