Description: Turns a variety of water bottles into a hydration system One way valve Bottle mouth adapter, leakproof design Easy to use, you can drink water without having to take the bottle out of your backpack. The drinking water pipe adopts food grade TPU polyether, food grade suck tube, clean and healthy Suitable for trekking, cycling, fishing, climbing, hiking, hunting, rafting, canoeing, boating, kayaking, etc. 3 kinds to choose: simple, regular, professional, for different demands Specification: Material: TPU, PVC, Food Grade Silica Gel Length: 109cm Package Includes: 1 Piece Water Bottle Hose Note: The size is measured by hands, please allow minor error of measurement, thank you The color may vary slightly due to screen / display contrast settings Description for Water Pump : High Quality: The drinking water pump is made of PP, durable and has a long service life. Safe and Convenient: Lightweight, compact, easy to disassemble clean and carry. Easy to use: Just press the top cover then the water flows out. Widely Used: Suitable for anywhere indoor or outdoor, such as schools, offices, homes, camps, sports events, etc. Application: This universal, manual water pump is compatible with most bottles between 2 and 6 gallons. Specification: Material: PP Size Chart: 25cmx12cm/9.84inchx4.72inch Package Includes: 1 Set Water Pump Note: Please allow slightly errors due to manual measurement and different monitors.