BPA-Free & SafeOur hydration bladder is made of BPA-free and safe TPU material to keep your water clean and free of harmful chemicals. This makes it a reliable and trustworthy option for transporting water and other beverages. TPU material is not only safe, but also durable and long-lasting, providing a reliable solution for your hydration needs. Anti-Leak Water PipeThe length of the water pipe of the water bladder is 101CM, and the anti-leak design ensures that your items stay dry. It is equipped with an easy-to-operate switch valve. Pull the valve upward and bite the nozzle to suck in water. Push it downward to close the valve. The water pipes also come with dust caps. This hydration pack is a must-have for outdoor enthusiasts. Large Capacity & Large OpeningThe water reservoir has a large 2L capacity, allowing you to carry enough water to keep you hydrated throughout your activity. The water reservoir's wide opening ensures hassle-free hydration. Not only is it convenient for you to replenish ice cubes at any time, but it is also convenient for cleaning the water bag and keeping the water bag hygienic. High and Low Temperature ResistantThe hydration bladder is designed to withstand extreme temperatures, the minimum and maximum temperatures our leak-proof water bladder can withstand are: -20C-40C respectively, and can be used in hot and cold weather, Stay hydrated and comfortable throughout your outdoor adventures with a hydration pack. Wide ApplicationThe water bladder is compatible with most backpacks and hydration packs, making it easy to integrate into your gear setup. Keeps you hydrated while hiking, camping, biking, running, mountain climbing, cycling, skiing and other activities.