Consistent cycling hydration for you. Features: Food-graded PP5 bottle body and silicone mouthpiece,safe and taste free to use. 7.3cm bottle diameter securely fits for most bottle cages. Dust cover helps to keep the mouth piece of the water reservoir clean. Large opening provides easily refilling water and thorough cleaning. Leakproof mouthpiece has ON/OFF valve,simply pull valve up for drinking and push it down for closing. Optimum temperature is from -20 to 90,portable to store hot/cold water during outdoors activities. Squeeze grip and mouthpiece with push/pull valve to easily drink water flow per sip. Suitable for riding,running,cycling,camping,hiking,mountaineering,etc. Specification: Body Color: 1(Transparent Body) / 2(Translucent Body) (optional) Material: PP5 + Silicone Capacity: 750ml Optimum Temperature: -20 - 90 Size: 7.3 * 7.3 * 24.5 cm / 2.9 * 2.9 * 9.6 in Weight: approx. 68 g / 2.4 oz Package List: 1* Water Bottle