Description of CamelBack Unbottle 70oz The CamelBak Unbottle was built for stand-alone use in everything from daypacks to expedition packs, the UnBottle comes in two sizes for hydration flexibility. Turn your backcountry equipment into an integrated hydration system - just slip the UnBottle into the hydration pocket of your favorite pack. Pull it out of the pack and it becomes a handy portable water-source for camp. CamelBak's latest hydration innovation, the OMEGA Access Port makes the UnBottle a breeze to fill when you're on the go. Camelbak hydration to keep you going strong. Features: Cordura nylon Cubic Inches: Water only Reservoir Size: 70oz (2.0L) -or- 100oz (3.0L) Reservoir Material: Poly-Urethane Pockets: None Compression Straps: No Bite Valve: Big Bite Rain cover: No Recommended use: Retro-fitting your pack with hydration Weight: (Empty)-4oz (0.1kg) (Filled)- 5lb (2.2kg)