(pack of 4) yellow smiley plastic, high quality dust caps. Multiple uses: These fit perfectly on the valve stems of cars, SUVs, bicycles, motorcycles, trucks etc. Rubber sealing gasket inside helps prevent air leaking and stops dirt, grime and dust. Resealable bag: Each 4-pack set comes in a resealable bag to make it easier to store in your glovebox, tool kit etc. IMPORTANT: Add a little grease or oil to the threads to stop them from fusing to the valves. With rubber seal inserts to reduce air loss and prevent dirt ingress. For Multiple uses, these fit perfectly on the valve stems of cars, SUVs, bicycles, motorcycles, trucks etc. Great upgrade or replacement for your plastic dust caps. Color: yellow Size: 2CM Product includes: 4x air nozzles