Introducing a new BPA and FDA approved bladder that produces no chemical taste while in use. The bladder features a large mouth for easy infusing of water and washing; it was built strong and Sturdy enough to retain liquids without any leakage during high-intensity physical activities like biking, running, hiking, camping, kayaking, skiing, hunting, Climbing and so on.
 
Please note:
Not Compatible with running hydration vest. Ideal for Aonijie Windrunner 18L, daypacks, backpacks and some cycling hydration vests.