Description: Color:Black Material:Rubber Type: tubeless valve Protects valves from exposure to dirt. Size: Approx. Outer diameter 10MM* total length: Approx12.4MM Durable plastic body,Reduces air loss,Ribbed detail for extra grip. Pack of Ten dust caps that protect valve against exposure to dirt and dust and avoid potential for flat tyre. Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to lighting effects, monitor’s brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item. Your kind understanding will be much appreciated. Package Include: Ten Pcs x Dust caps