Hydration Drink Pack Valve Replacement Bite Mouthpiece with On Off Switch * Made of high quality materials, durable * Available in both straight and 90 degrees * Simply press on your existing pipe * Connector diameter approx. 9mm (please check suitability before purchasing) * Unbranded valves fit most brands Hydration water bottle bag * Valves have an on/off switch, to stop any spillage/spillage during transportation, easy on/off switch * Easy to use, just bite and sip. Specifications: * Material: Silicone * Color: Blue (As Shown in the Picture) * Size: 9mm Connector Diameter(Approx) * Quantity: 1 Pc Package Content: 1 * Bite Valve Note: 1. The real colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.