Unlike traditional water bottles, CHERAINTI handy hydration system boasts advantages such as convenience, large capacity, hands-free operation, and balanced weight distribution. It is lightweight, easy to carry. By placing the 2L water bladder in your backpack, you can drink easily without breaking your stride.Our water bladder is made from food-grade, BPA free materials, ensuring the safety and health of your drinking water.The 2-liter hydration reservoir features double-sealing lines. It's rigorously pressure-tested and offers outstanding leak proof performance. The tube can be easily connected and disconnected. When it is removed, the valve automatically closes with no leaking, so you can conveniently fill or store the hydration bladder. It features a wide-mouth design for easy filling with water or ice cubes, and you can reach inside the bladder for thorough cleaning. The sliding closure system at the top effectively prevents leaks, maintaining a reliable seal even during intense activities. Central baffle reduces water sloshing, enhancing stability and comfort when carrying it. The water bladder features a convenient push/pull switch. Even if you forget to turn it off, the shut-off valve automatically seals, ensuring no leaks. The soft mouthpiece makes it easy to drink just the right amount of water by gently sucking . You can control the water flow by adjusting your bite, preventing over- or under-hydration. 45 degree bite valve reduces the need to bend the tube and eliminates kinking issues. Dust cover that keeps the valve clean and ensures the safety of your drinking water.Our water reservoir flexibly conforms to the shape of the pack and fits most hydration packs and backpacks. 2 liter hydration bladder provides continuous water supply without being overly heavy, reducing the need for frequent refills. Suitable for various outdoor activities such as hiking, camping, running, cycling, skiing, biking, climbing.