If you are in search of practical car tire valves caps and sleeves, then you can not miss our product. In adoption of aluminum alloy material, they are safe, durable and practical to use for longer time. High hardness, not easy to bend, deform or get break. It can prevent bad temperature conditions caused by rim hole, heat and cold. Features - Color: Silver. - Material: Plastic. - Size: 2.05X1.50X1.50cm/ 0.81X0.59X0.59inch.(sleeve) - Size: 1.2X1.00X1.00cm/ 0.47X0.39X0.39inch.(caps) - Simple structure, easy to use and remove, can be easily installed by your hand - In adoption of aluminum alloy material, these tire caps and sleeves are durable and safe - Caps have internal seal, can better prevent bad temperature conditions caused by rim hole, heat and cold - These caps and sleeves can fit American and some foreign car and trucks that have active TPMS systems with rubber snap in valve stems - Safe for use with tpms applications, not easy to corrosion or fade, can be used for most kinds of vehicles, very professional Package list: 8 x Valves Stem Sleeves 4 x Valves Stem Caps