This product uses ABS high temperature resistant original packaging material without any other impurities. The product is relatively brighter and brighter than other calipers. Also more resistant to high temperatures. How to use: Apply high temperature resistant AB glue on the inside of the caliper cover, and let the caliper cover be in close contact with the car caliper. Apply AB glue to the good contact area. After installation, please make sure to use your car after 3 hours to ensure stronger! Size: 28CM * 7.5CM * 4.2CM