• Hydration Backpacks Bulk: you will receive 4 hiking hydration backpack in 4 different colors, including black, red, blue and green, each hydration backpack is equipped with a 2L water bladder
• Lightweight Material: the front of the hydration pack is mainly made of quality polyester, and the back of the hydration bag is made of mesh fabric, which is breathable and comfortable, absorbs sweat, and keeps you cool when climbing, hiking or cycling
• 2L Water Bottle Bag: the outdoor hydration backpack is equipped with a hydration water bladder, water bag size is about 13.82 x 6.89 inches/ 35.1 x 17.5 cm, can be detached from the backpack, easy to clean and assemble, the switch valve can prevent water leakage, more convenience for you
• Backpack Design: hydration backpacks with adjustable shoulder straps, the size is about 17.72 x 8.86 inches/ 45 x 22.5 cm, the running backpack fits most people, the double zipper design allows you to quickly reach the essentials, the widened shoulder straps can relieve your burden, give you a comfortable experience
• Multi Functional Compartments: the main compartment of the hydration backpack with bladder can store a 2 liter water bladder, and the inner compartment is suitable for placing small items, such as mobile phones, wallets, keys, towels, chocolates and more, helping you to easily and quickly obtain the required items during outdoor activities, save space and avoid lost items