CVLIFE 3L Insulated Hydration Backpacks with Water Bladder

About this item Wear-resistant material - The Water backpack is made of scratch-resistant and wear-resistant material, ensuring long-term use and coping with various complex situations. The main compartment of the Hydration backpack is designed with thermal insulation material, which can keep water cool for 4-6 hours. Multi-compartment - The size of the hydration bag backpack is: 18.5*11*4.3 (inches), with a capacity of 18 liters, which can meet your needs for storing various necessities. The main pocket can hold a 14-inch laptop; The middle compartment can store your clothes, iPad; And the front pocket can store sunglasses, snacks, and more. The two waist pockets on the waistband can store small items such as credit cards, mobile phones, keys, etc. 3L Capacity water bladder - Our water bladder is made of TPU material, which is BPA-free, odorless and leak-proof. Water bladder opening is 3.5 inches in diameter for easy cleaning or adding ice. The total capacity is 3L, which can meet yo