Designed to be more comfortable in vests and packs, the redesigned Velocity features a slim profile and soft grab tab for fast loading and unloading. It&&';;s lightweight, with an extra wide opening for quick refills along the trail. GRAB TAB New, light and flexible grab tab makes it easy to pull reservoir in and out of packs and makes it easy to carry. ULTRA LIGHT Lightweight TPU and streamlined features make the Velocity(TM) our lightest weight reservoir. UNIVERSAL HANGER Designed to work with clips, hooks, and loops in a wide variety of vests and packs including Salomon, Nathan, Osprey and CamelBak. WIDE FILL OPENING Redesigned Slide-Seal top opens extra wide, making it easier to fill and add ice. COMET BITE VALVE New, lightweight valve self seals after each sip and can be opened and locked with one hand to prevent leaks when not in use. PLUG-N-PLAY CONNECT SYSTEM Easily disconnect the drink tube (an auto shut off valve prevents leaking) and remove the reservoir from your pack for convenient refilling. EASY TO REVERSE Reverse the reservoir for deep cleaning and complete drying. Full Features: Plug-N-PlayA(R) connect system lets you easily disconnect the drink tube from the reservoir for easy filling Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity 100% BPA & PVC free, wide working temperature range (can be frozen - max temp 60Adeg C / 140Adeg F) Specs: CAPACITY 1.5 L / 50 fl oz WEIGHT 117 g / 4.1 oz DIMENSIONS 320 mm x 153 mm / 12.6 in x 6.0 in MATERIALS TPU, ABS, POM, PP, EPDM, Silicone, 304SS, TPU Coated Nylon Fabric