High Quality Materials: Our water bubble is made of flexible and high quality antibacterial material. Easy to Carry: Humanized settings, black handle for carrying. Easy to wear. Durable: Soft antimicrobial tip for healthy and effortless drinking. Easily accessible shut-off valve. The dust cover stays clean and safe. Good Filling Effect: Our bladder has one of the largest openings on the market. The large opening makes it easy to fill water. 100% Leak-Proof: You won't be slowed down with our high-flow valve. Just bite into the mouthpiece to suck up water. A mouthpiece with an easily accessible ON/OFF valve prevents leakage. Product Description Specification: Material: TPU and eco-friendly materials Capacity: 2L Color: army green Size: waist: 39*18cm Suction tube length: about 100cm Weight: 191 g Drinking tube: Convenient hose length of 100 cm. Withstand water temperature changes in hot and cold weather by insulating the pipes. Rubber fitting at each end prevents the pipe insulation from slipping and wearing out. No more stress when screwing the tube. Quickly separate the tube from the bag for easy storage. Just click on/off to connect/disconnect. Quick release valve is automatically closed to prevent leakage when hose is loosened. Application: Cycling, hiking, running, and other outdoor sports. Warm Note: 1. They are suggested to wash it after use, keep smell fresh and lengthen its service life. 2. Avoid sharp objects to avoid cuts. Delivery: 1 * Hydration bladder 1 * Quick release tube with shut-off valve