Keep your favorite snacks and drinks ready to go with the Camp-Zero 20-Can Backpack Cooler. The TPU coated shell offers a waterproof and puncture resistant construction for durability. The commercial grade closed-cell insulation keeps the contents cold. The antimicrobial liner resists mold and mildew for lasting freshness, while the carry handle and removable backpack shoulder straps allow for versatile, comfortable and convenient carrying.