Geigerrig Pressurized Hydration Pack - The Rigger Sprays, Filter Ready, Reversible 70 Oz, Dishwasher Safe Reservoir. Disconnect pack straps, stowable in back panel. Internal guardian pack frame. Pack's D-Rings and Molle webbing attach this pack to other packs and gear. 500D Cordura and Molle Webbing for Durability and modular pockets. Pack. 18.5% X 10", 1.5 lbs. Reservoir. 11.25" X 7".