The valve caps are very lightweight, won't add any extra weight to your tires, which can help improve fuel efficiency. The tire cap is a fun and unique way to show off your personal style, and the stainless steel material ensures that they will withstand the wear and tear of daily use. Features -Color:Silver -Material:Stainless steel -Size:1.50X1.00X1.00cm/0.59X0.39X0.39in -Easy installation for quick upgrading: The installation process is simple, allowing for quick and easy to upgrade. -Lightweight design: The design of the tire caps is lightweight, ensuring that they do not add any additional weight to the tires. -Fashionable: The tire caps feature a unique UK flag design that allows for adding a stylish sense to the vehicle. -With the simple and smooth design, these valve stem caps are easily hand tightened or took off. -Eye catching scheme: The tire caps feature a visually appealing color scheme, which is sure to catch the attention. Package list: 4 x tire valve caps