Product name: bicycle valve Packing size:3 × 1 × 1 cm (1.2" × 0.4" × 0.4") Product color: As shown in the figure Product material:Aluminum alloy product features: Presta Valve Caps with Built-in Valve Tool These lightweight aluminum caps protect Presta valves from dust and damage. Each includes an integrated valve core remover for quick maintenance while riding. Solid Aluminum Build Made from quality aluminum material, these caps provide steady protection and hold up well through regular use. Simple to Install and Operate Easily screw onto standard Presta valve stems. The combined design offers valve care and core removal in one accessible accessory. Fits Most Bicycle Types Works with common bicycles fitted with Presta valves, such as road and mountain bikes. A useful item for cyclists who value preparedness and equipment care. Compact Two-in-One Design Brings together protective caps and a functional valve tool in a small, lightweight form. A practical and efficient addition to any cycling gear collection. Precautions: 1.As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2.If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1*bicycle valve