SPECS: Dimensions: 46 x 23 x 8 cm / 18 x 9 x 3 in TECHNOLOGY: Hydroguard(R) utilizes antimicrobial technology to prevent growth of bacteria Big Bite(TM) valve self-seals, won't drip water, and is easy to sip from Quick Link(TM) system prevents any leaks and automatically shuts off connection to drink tube when disconnected FEATURES: 3L/100 oz. Water reservoir Provides 20% more water in every sip Cap easily twists open/close and is leak-proof Leak-proof lever makes it easy for on/off drinking with just one hand Ergonomic handle for easy filling and refilling Reservoir baffle creates low-profile fit so it's simple to load into hydration pack Features a durable Polyurethane construction BPA, BPS, and BPF Free