The Camelbak Crux Milspec 3.0L Reservoir is a military-grade water bladder that is BPA free and has Hydroguard technology to keep your water clean and fresh all day. The leakproof wide-mouth opening with ergonomic handle lets you easily refill the reservoir quickly. The drinking tube has a one-handed water flow on/off with a self-sealing bite valve that prevents leaks. The insulated tube cover will also maintain water temperature when outdoors. Ideal for all outdoor sports including military use, airsoft, hiking, walking. Camelbak Crux Milspec 3.0L Reservoir Features Size: 46cm High x 23cm Wide x 8cm Deep CamelBak Mil-Spec Crux Water Reservoir Capacity: 3 Litres Leakproof large opening with an ergonomic handle Hydroguard helps minimise bacteria to prevent odours Insulated tube cover Self-seal bite valve stops drips Easy to open cap protects and prevents leaks One hand on/off Hydrolock BPA, BPS, BPF Free Weight: 235g approx (empty) Material: Polyurethan