Abertin Hydration Bladder 2 Liter Antibacterial, Taste-Free, Outdoor Cycling Water Reservoir 2l Bladder Bag Wide-opening BPA-FREE & FDA Approved BPA-FREE & FDA APPROVED, food grade EVA material, no smell and taste-free. ANTI-MICROBIAL MOUTH PIECE, high flow, auto-lock function to prevent leaking, comes with dust cover. Selflock connector allows you to unhook the tube quickly without any leaking. BIG SCREW CAP, Inner surfaces easily accessible for easy cleaning and drying. For cold water, ADD ICE CUBES directly from a scoop or refrigerator ice dispenser. 2L CAPACITY & DUAL MATERIALS, thick EVA bladder material is pressure-tolerant and wear-proof. Manufactured with leak proof sealing technology. USER CONVENIENCE, easily fitting into pockets, backpacks or briefcases, can be used to store water with -20 to 50 degree celsius.