ITEM NAME:Aluminum MTB Bike Schrader Valve Cap Rocket Shape Tire Valve Dust Cover Product Description Description: Rocket Shaped Aluminum Schrader Bicycle Valve Cap Universal Dustproof MTB Mountain Bike American Tyre Tire Valve Protector Specifications: Material: aluminum alloy Color: Black Product weight: 4.1g Product size: 3 * 1.3 * 1.3cm/1.18*0.51*0.51" Notes: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 X Bicycle Valve Cap.Included: 1 X Bicycle Valve Cap. Material: aluminum alloy. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. If item is defective after 3 months, you can still send it back to us.