Thermal Insulated Cooler Backpack Rucksack: Insulation Material & Leak-proof Liner Inside of the Thermal Insulated Backpacks Work Together to Make Sure Anti-leaking & Keep Food Hot & Cold for 10 Hours. the Interior Lining is Made of Excellent Upgrade Material & Easy to Clean. Multiple Pockets: Main Roomy Thermal Insulated Leak Proof Storage Compartment for Drink or Food. the Front Two Pockets Can Hold Some Utensils, Tools, Snacks, Wallets, Keys. Side Pockets Can Hold Wine, Water Bottles, Umbrellas, Lawn Blankets, Etc. Suitable for Many Scenarios: the Thermal Insulated Backpack Rucksack is a Perfect Partner for Outdoor Activities, Such as a Travel Backpack Rucksack, Beach Cooler Backpack Rucksack, Camping Backpack Rucksack, Hiking Backpack Rucksack, Picnic Backpack Rucksack, Fishing Bag & So On. Also It Can be Used as a Lunch Cool Bag. Minimum Quantity: 100