General: The small and unbelievable lightweight Source Tactical with a total capacity of 2L can be worn in a backpack style, integrated into a backpack, or directly attached to vests and backpacks via Molle or the Source QCA buckle system. br> Thanks to the built-in glass liner technology with Grunge Guard, bacteria have no chance. This unique antimicrobial system reliably inhibits bacterial growth from the outset. source uses a multi-layered polyethylene film that is 2000% smoother than standard TPU films which prevent biofilm build-up making the system self-cleaning. Even after months in use can always be easily refilled water without a need for cleaning. Taste-free technology provides odorless water without any plastic taste. Features: insulated reservoir compartment includes WXP 3 L Reservoir System tough 3-layer construction with glass-like PE liner leak-proof, tough nylon Shell an antimicrobial, unique protection system patented high flow no-bite Storm valve with Dirt-Shield cover 1 1/2 inch tuckaway shoulder straps with adjustable sternum strap external, easy opening filler port fits the most common pump water filters patented slide closure for easy filling, draining, and cleaning self-sealing QMT at tube tip Quick-connect hose offers push-button convenience QMT has a built-in shut-off mechanism which allows UTA or valves to be disconnected without spilling Details: liquid capacity: 2 l (70 oz) Weight (Pack + Reservoir): 0.51 kg (1.13 lbs) hydration system: WXP Valve: angled Storm Valve Tube: Weave Covered 94 cm (37 inches) long Reservoir: 435 µm co-extruded Glass-Like PE Dimensions: Length: 40 cm (15.8 inch) Width: 20 cm (7,9 inch) Max. Depth: 4 cm (1.6 inch)