1, Hydration bladder is made of food-grade TPU material, BPA-free, odorless, and features durable and tear-resistant properties to ensure safety and reliability. Its unique properties allow our water reservoir to withstand temperatures from -20°C to 40°C, and the smooth internal keeps water fresh and beneficial to health.

2, The ON/OFF valve and dust cover design of the water reservoir storage bag prevent water leakage. The whole hydration pack bladder adopts strict double sealing side technique and passed the pneumatic pressure test, even under heavy pressure or external compression, it will not break. Its quick connection system allows for self-locking when the tube is detached.