ARMY X Small Military Backpack Rucksack 600 D Polyester Construction 43 L High Capacity: Multiple main compartments provides bigger storage up to 43 L Hydration compatible: Hydration pack compartment fits 2L bladder(bladder not included) Dual-directional zippers: All compartments are sealed with dual-directional zippers that has para-cord zipper pulls. Compression straps all-round: Four-way compression straps system to secure your gear. Quality guarantee: U.S. Army supply with good quality