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℃ to 70℃,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 empty, take a little space and easy to store. 10. Suitable for riding,running,Cycle,camping,hiking,mountaineering,outing or excursions etc. Specification: The Folding Water Flask with soft bite mouthpiece and ON/OFF valve,compact for your backpack during outdoor activities.Suitable for riding,running,Cycle,hiking and mountaineering etc. Features: Made of premium food grade TPU and TPE material,safe and taste free. Soft bite mouthpiece into your mouth and easily drink water flow per sip. A dust cover helps to keep the mouth piece of the water reservoir clean. The bite mouthpiece has ON/OFF valve,simply pull valve up for drinking and push it for closing. Leakproof sealing edge makes sure the pressure tolerant and leak proof features. Large opening mouth makes filling/refilling water quickly and cleaning easily for every corner. Optimum Temperature is from -20℃ to 70℃,portable to store hot/cold water during outdoors activities. A mounting holes can be hanged or attached easily for you different demands. Shrinks in the min volume while empty, take a little space and easy to store. Suitable for riding,running,Cycle,camping,hiking,mountaineering,outing or excursions etc. Specification: Material: TPU,TPE Capacity: 500 ml / 17 floz Size: 26 * 9 cm / 10.2 * 3.5 in Weight: Approx. 36.7 g / 12.9 oz Package weight: Approx. 38.9 g / 13.7 oz Package List: 1* Soft Water Bottle Package List: 1* Soft Water Bottle