Wolfyok Hydration Bladder Water Reservoir Pack - Portable 2 Liter 70oz Water Storage Bladder Bag for Backpacking, Hiking, Camping, Hunting with Shutoff Valve. FDA Approved, BPA Free, Taste Free ECO - FRIENDLY MATERIAL AND EASY TO CLEAN - BPA - Free and FDA approved TPU material, our water reservoir is pressure - tolerant and wear - proof, manufactured with leak proof sealing technology and high smooth interior surface, the smoothness of the liner prevents the germ and the lime from adhesion, which promotes health and easy to clean. SOFT ANTI - MICROBIAL MOUTHPIECE, NO PLASTIC SMELL / TASTE - Effortless sipping and wholesome flow with our soft and durable BPA - Free mouthpiece. The water reservoir prevents leaking with easily accessible ON / OFF valve and no plastic taste on the nozzle hose. LARGE MOUTH OPENING - Simply add ice, fill reservoir, clean, and dry your 2.0 Liter water bladder. This water reservoir comes with large opening allows for convenient access to the interior of the reservoir. INSULATED TUBE: The water reservoir with premium quality neoprene tube cover, resisting temperature changes in Hot and Cold Weathers. Thermal Tape at each end prevents insulation from Sliding and Wearing off. Quick - release Tube can be detached for easy storing. Auto - shot off valve prevents Leaking when tube is detached. 100% GUARANTEE: WATER RESERVOIR IS 100% MONEY BACK, NO QUESTIONS ASKED GUARANTEE FROM Wolfyok(TM)