* Made of high quality materials, durable * Available in both straight and 90 degrees * Simply press on existing pipe * Connector diameter approx. 9mm (please check suitability before purchasing)* Unbranded valves fit most brands Hydration water bottle bag* Valves feature an on/off switch to stop any leakage/leakage during transit, easy on/off switch * Easy to use, just take a bite and sip. Specifications:* Material: Silicone * Color: Blue (As shown in the picture)* Size: Connector diameter 9mm (Approx.) * Quantity: 1 pcPackage Contents:1 * bite valveNote:1. The actual 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.