【CORROSION RESISTANT DESIGN】- BAURATTI tire valve stem caps come with high-quality anodized Aluminum Alloy shell and plastic liner, which will prevent the valve stem from corrosion, special in wet/cold area. 【HIGH-QUALITY MATERIAL】- These tire stem valve caps come with high-quality sturdy anodized aluminum alloy covers and plastic lining, so you get the best of both material: no internal corrosion and no external cracking or fade. 【UNIVERSAL FIT】- The Car tire valve caps are compatible with all American standard schrader valve stem. Include cars, SUV, trucks, RVs, bicycles, bikes and other motor vehicles, etc. The inner diameter of tire air caps is 7mm/0.31inch, and the inner height is 13.9mm/0.54inch. 【EASY to INSTALL】- With the simple groove design, BAURATTI tire caps are easily hand tightened or took off without any tool. 【PACKAGE INCLUDES】- You will receive 8 pieces tire caps for cars, the large quantity can meet your daily application and replacement needs. It's also available for you to share with your family members, neighbors, lover, and office colleagues, shocking them with something eye-catching and fashion. Tire Valve Stem Caps for Car Tires Air Caps Cover 8 Pack Corrosion Resistant Premium Alloy Leak-Proof Universal for SUV Truck Motorcycle Bike Grey1