180 Days 100% Satisfaction: If you are not 100% satisfied with this product for any reason, please contact customer service within 180 days, and we will immediately help you to solve the problem. SOFT MOUTHPIECE: Durable and soft mouthpiece for wholesome and effortless sipping. Easily accessible shut off valve. 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. LOW-PROFILE DESIGN: fit for unmatched stability which reduces liquid movement for increased pack stability at high speed. PREMIUM QUALITY: Manufactured from high quality TPU flexible food grade material. BPA FREE. Your taste free and odor free hydration bladder has passed a bearing pressure test to ensure it is leak proof and ready use.