Features: 100% brand new high quality Made of high-quality materials, durable Available in both straight and 90 degree types Simply push on to your existing tube 9mm approx connector diameter (Please check suitability before purchase) Unbranded valves fit most brands of Hydration Drinking Bag Valves feature on / off switch to stop any spillages / leaking in transit,easy on/off switch Easy to use, just bite and sip. Unbranded valves fit most brands of Hydration Drinking Bag Valves feature on / off switch to stop any spillages / leaking in transit,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 (approximately) Quantity: 1pc Package Contents: 1*Bite Valve Note: 1. The real color 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.