Take your outdoor adventures to the next level with our 30L Thermal Insulated Backpack Bag. With a large capacity and waterproof pocket, your drinks and/or food will stay cool or warm for 8-12 hours. Perfect for picnics, camping, hiking, and much more. The leak-proof and durable design makes it ideal for kayaking, fishing, and golf. Adjust the straps for comfortable or use the convenient carry handle for transporting.