This Cooler Backpack Rucksack is Made of Waterproof Fabric & Peva Lining, with Padded Handles & Shoulder Straps, Thermal Insulated Pockets & a Beer Opener Double Compartment Backpack Rucksack Cooler: Thermal Insulated Cooler Packs a Large Capacity for Packing All Your Essentials, Which has a Major Leak-proof Freezer for Drink, Beer, Fruit, & Ice Packs capacity:16 Cans. the Internal Insulation of the Cooling Backpack Rucksack is Thickened with Foam & the Leak-proof Peva Lining Works Together to Keep Food & Drink Cold for Hours Without Fear of Leaks the Backpack Rucksack Cooler is Made of Durable Waterproof Fabric That Wont Rip, Tear or Scratch, & is Lightweight. a Breathable Mesh Pad on the Back Makes It Easy to Carry for Long Periods, & Adjustable Shoulder Straps & Belts Spread the Load. Minimum Quantity: 100