The hydration bladder features a wide opening for easy cleaning and filling. The interior is smooth for health and easy cleaning. The screw-on cap is easy to use. For cold water, ice cubes can be added directly. The hydration bladder is made of taste-free, food-grade material and is compliant with safety standards. It has passed a pneumatic pressure test. A double sealing technique improves durability. This 2L bladder withstands temperatures from 20 to 50 degrees Celsius. The tube resists temperature changes. Measuring 14.2 inches by 6.8 inches, it is compatible with most hydration packs. The tube is 0.4 inches in diameter and 40 inches long for easy drinking during camping, biking, cycling, hiking, or running. The high-flow bite-valve allows you to drink by biting the mouthpiece. The soft mouthpiece has an accessible on/off valve with a cover to keep dirt out. The quick-release tube is detachable. When the tube is removed, the connector automatically shuts off to prevent leaks. The bladder can be stored neatly in a fridge or icebox. Capacity: 2L Colour: Green Material: EVA Package Contents: 1 x water bladder. Only the above package content is included. Other products are not included.