Feature: 1. Note: Replace these aluminum wheel air valve covers every month to avoid unnecessary oxidation and adhesion caused by direct sunlight. 2. Rugged and durable: These wheel valve covers are made of aluminum alloy, sturdy and durable, and are not easily deformed even under pressure 3. Sealing method: The valve stem cover is a full O-ring, which can prevent water, snow and dust from entering the tire, thereby prolonging the service life of the tire 4. Wide application range: This wheel valve cover set is suitable for a variety of American valve cover vehicles, such as cars, trucks, motorcycles, bicycles, electric vehicles, etc. 5. Size: diameter 1.1cm, height 1.7cm, all O-rings can fit your tires, dustproof and waterproof. Sealing form: The valve stem cover is sealed with a full O-ring, which prevents water, snow and dust from entering the tire, thereby prolonging the service life of the tire. Wide range of applications: This wheel valve cover set is suitable for a variety of American valve vehicles, such as cars, trucks, motorcycles, bicycles, electric vehicles, etc. Glasses: Dimensions (length, width and height): 1.1 x 1.1 x 1.7 cm/0.43 x 0.43 x 0.67 inches Material: Aluminum Color: silver, black, red, gold, blue, gray, purple, orange, green, light blue The package includes: 4pcs / set x tire valve cap