500ML Soft Collapsible TPU for Running Hiking Cycle Climbing blue

Feature: 1. Made of premium food grade TPU and TPE material,safe and taste free. 2. Soft bite mouthpiece into your mouth and easily drink water flow per sip. 3. A dust cover helps to keep the mouth piece of the water reservoir clean. 4. The bite mouthpiece has ON OFF valve,simply pull valve up for drinking and push it for closing. 5. Leakproof sealing edge makes sure the pressure tolerant and leak proof features. 6. Large opening mouth makes filling refilling water quickly and cleaning easily for every corner. 7. Optimum Temperature is from 20 celsius to 70 celsius ,portable to store hot cold water during outdoors activities. 8. A mounting holes can be hanged or attached easily for you different demands. 9. Shrinks in the min volume while