Hydration Reservoir 70 oz (2 Liter) Water Bladder with &frac14; Turn Bite Valve for 2L Hydration Packs (Backpacking, Biking, Hiking, Camping). BPA Free, Taste Free, and FDA Approved. Your Hydration Solution! DRINK WITH EASE  1/4 turn bite valve and a soft mouthpiece with teeth grooves provides fast flow and easy drinking from this hydration reservoir. Simple access to the mouthpiece with the 1/4 turn bite valve and easily bite and hold the valve with the Teeth Groove. Bite valve also included an EASY TURN shutoff valve providing great functionality without having to access the water bladder during sporting and outdoor activities. PREMIUM QUALITY  Manufactured from high quality TPU flexible food grade material. BPA FREE and FDA APPROVED. Your taste free and odor free hydration bladder has passed a bearing pressure test to ensure it is leak proof and ready use. QUICK RELEASE and INSULATED TUBE  Quick release connection is compatible with many popular water filtration systems. Tube/bladder connection contains AUTO-SHUTOFF VALVE that prevents leaking when detached and allows for easy cleaning and storage. INSULATED TUBE helps to keep temperature consistent regardless of hot or cold weather with 125 thermal tape. LARGE MOUTH OPENING  Simply add ice, fill reservoir, clean, and dry your 2.0 Liter water bladder. Large opening allows for convenient access to the interior of the reservoir. 110% SATISFACTION PLEDGE  You have our promise that your purchase will meet your expectations. Your purchase is backed by our 100% REFUND PROMISE that if this purchase did not EXCEED your expectations, we will make it right with you starting with a 60-Day 100% Money Back Refund.