You can drink water without having to take the bottle out of your . Features: Easily converts some bottle with a threaded-opening into a handy hydration reservoir. Adopts food grade TPU,PE and silicone material,,BPA free,durable to use. Easily attach to most water bottles with 28mm30mm thread. Transparent hose can be adjusted as you need.Total Length: 40cm5.5in. Handy clip to easily attach the hose to your or elsewhere. Soft bite mouthpiece with dust cover,ensure have the water. There is a connected strip between the dust cover and bite mouthpiece,will not lose the dust cover by accident. Air valve(color by random) to leaking easily. V-shaped design of the transparent hose provides fast water . Suitable for trekking,fishing,climbing,hiking,rafting,canoeing,boating,backpackingkayaking,cycling,etc. Specifications: Material: Food grade TPU + Silicone + PE Blue Hose Length: 80 cm / 31.5 in Transparent Hose Length: 40 cm / 15.7 in Package Size: 18 * 14 * 4 cm / 7.1 * 5.5 * 1.6 in Package Weight: approx. 128 g / 4.5 oz Package List: 1* Water Bottle Hose Easily converts some bottle with a threaded-opening into a handy hydration reservoir. Adopts food grade TPU,PE and silicone material,,BPA free,durable to use. Easily attach to most water bottles with 28mm30mm thread. Transparent hose can be adjusted as you need.Total Length: 40cm5.5in. Handy clip to easily attach the hose to your or elsewhere.