MOSISO Hydration Pack Backpack, Lightweight Compact Daypack Backpack Rucksack with 2 Liter Water Hydration Bladder for Sports Outdoor/Biking/Hiking/Mountain/Running/Climbing/Cycling, Black - MO-Hyd-Backpack-Black

• The fully opening main pocket with dimension 17.34 x 8.35 inch can store your carry-on supplies, such as towels, umbrellas, sleeping bags, water bottle. Other two smaller separated pockets on front can keep your cell phone, wallet, charger, cable, paper, map and so on. Comes with a built-in 2 Liter hydration bladder, it's made from using EVA material, and the 38 inch length straw is long enough to drink without any pressure. It's simple and convenient to drink water, pushing rubber mouth piece back to close, you don't have to bite anything. Breathable mesh back panel and the shoulder strap (adjusted from 17.35-37.65 inch) is designed to ventilate, keep your back dry and lower load. And it is features durability which will keep the content of your backpack in security. 1 horizontal strap surrounding your waist to firm our lightweight slim hydration backpack on your back. 1 year warranty on every backpack.