• Premium Quality：2.5L, made of EVA, and the tube material is PVC，No Plastic smell or taste and is proven to bear the strict tests
• Stay Hydrated：2.5 Liter capacity provides plenty of water to keep you hydrated on any outdoor adventure，Perfect when you are hiking, cycling, camping, or backpacking
• Leakproof：This water bladder use well sealing technology, It has passed the air pressure test and is completely pressure resistant and leak proof
• Well Sealing Water Bladder: Bite the mouthpiece to suck water，Soft mouthpiece with easily accessible ON or OFF valve，It also has a cover to keep dirt out，Conveniently control the water flow by biting
• Notice：The screw cap should be securely closed as tight as possible to avoid potential leaking，Twist the lid clockwise to fasten it tightly until the lid can not move any further under force