Hydration bladder , with water container equipment,easily use & handle, 1.5L, 2L, 3L etc water load, colors' optional hydration bladder : Material: Polyester, TPU coated. Features: 1. Waterproof, top carry handle, hytration system compatible. 2. Easily use and handle Color: various options, woodland, desert camouflage, ACU etc. Capacity: 1.5L, 2L, 3L & more water load, extendable to 5000L, 10000L. MSN:hengtai-armysupplier at hotmail dot com E-mail: armygear at hengtai-armysupplier dot com