Unigear Hydration Water Bladder Reservoir BPA Free FDA Approved and Taste Free for Backpacking, Biking, Hiking and Camping 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. LOW-PROFILE DESIGN: fit for unmatched stability which reduces liquid movement for increased pack stability at high speed. LARGE OPENING FOR EASY CLEANING: Inner surfaces easily accessible for easy cleaning and drying. For cold water, ADDING ICE CUBES directly from a scoop or refrigerator ice dispenser. SOFT MOUTHPIECE: Durable and soft anti-microbial mouthpiece for wholesome and effortless sipping. Easily accessible shut off valve. 100% SATISFACTION: 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.