BONLEX Hydration Bladder Food Class Material,BPA free FDA Approved Tastefree Tube Insulated Large Opening,Quick Release,Water Bladder for Hydration Pack Backpack Replacement 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. LARGE OPENING FOR EASY CLEANING: Inner surfaces easily accessible for easy cleaning and drying. For cold water, ADD ICE CUBES directly from a scoop or refrigerator ice dispenser. INSULATED TUBE: Premium quality neoprene tube cover resists 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. 100% SATISFACTION: Your purchase is backed by our 100% REFUND PROMISE that if this purchase did not EXCEED your expectations, we will make your Money Back Refund 100% within 60-Day