Durable, safe hydration bladder built from quality PE + EVA with a TPU drinking tube for longlasting use and neutral taste. Designed to resist abrasion and corrosion while remaining odor. Key benefits and features Reliable materials: PE + EVA construction with a TPU drinking water pipe provides durability, chemical resistance, and a clean taste. Leakresistant seal: Wave/shutoff valve combined with a doubleseal clamp ensures a tight closure so water stays inside during movement. Controlled drinking: Biteactivated nozzle plus an easy on/off control valve lets you start and stop flow simply by biting the mouthpiece and opening or closing the valve. Easy to fill and clean: Wide opening gives full access to the interior for hand washing, a brush, ice cubes, or adding sports drinks. Hygienic mouthpiece: Dust plug protects the mouthpiece when not in use and removes easily for drinking; the nozzle is designed for gentle biting to drink comfortably. Performance and use Simple operation: Remove dust cover, bite the nozzle, and open the onoff valve to drink; close the valve and reseal the clamp to prevent leaks. Low maintenance: Wide opening and durable materials simplify cleaning, drying, and storing. Practical applications Hiking and day trips: Keeps hands and provides ondemand hydration without removing the pack. Sports and training: Compatible with sports drinks and ice, offering steady, bitecontrolled flow during runs or cycling. Outdoor work and travel: Durable, odor construction and secure sealing reduce spill risk and maintain water quality in active environments. Materials and function summary Materials: PE + EVA bladder, TPU drinking tube Valve: Wave/shutoff valve with portable doubleseal clamp Features: Wide opening, dust plug on mouthpiece, biteactivated nozzle, on/off control valve This bladder emphasizes durability, easy cleaning, secure sealing, and simple bitetodrink operation for reliable hydration during a wide range of activities.