Product name: bicycle valve Packing size:2 × 4 × 2 cm (0.8" × 1.6" × 0.8") Product color: As shown in the figure Product material:metal product features: Aluminum Presta Valve Caps for Bike Tires Crafted from lightweight aluminum, these valve caps offer reliable protection against dust and moisture for your Presta valves. Their simple design helps maintain valve function and extends tube life. Integrated Valve Core Removal Tool Each cap features a built-in valve core remover, allowing quick adjustments and maintenance without additional tools. A convenient all-in-one solution for roadside repairs. Secure Threaded Fit and Easy Installation With precise threading that screws smoothly onto standard Presta valve stems. Installs in seconds and stays firmly in place during rides. Universal Presta Valve Compatibility Designed to fit all standard Presta valves, making them suitable for road bikes, mountain bikes, and other bicycles using this valve type. Compact and Functional Cycling Accessory Combines valve protection and maintenance capability in one small, portable accessory. An essential addition to any cyclist's repair kit or daily riding gear. 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: 4*bicycle valve