SAFETY PROMISE -- EVA Material,, tasteless, the hydration bladder with all relevant safety standards. Tasteless, eco-friendly and TPU material can be recycled easily. Compatible with most hydration backpacks.
SPACE SAVING DESIGN -- Compact water bladder design and built for a long life for durable use. The water reservoir stands upright when it shrinks in the min volume while empty, perfect for space-saving. Feel free to drink or fill it. The more you drink, the smaller it is.
-- Light suck gives ample hydration. Drinking water by the valve directly without stopping your steps or taking off your running backpack. Convenient hydration reservoir for your outdoor , Running, Hiking, Cycling, Climbing.
PRACTICAL WATER BAG -- Both the top opening and the bottom connection features design. opening with slide lock closure strengthened leak-proof, and makes it easy to refill, clean and the hydration water bladder.
EASY CARRYING -- Ultra-light water storage bladder bag is portable enough to follow you anywhere. It can be put compactly in your hydration vest. Great backpack reservoir replacement for kids and adult.