Material: Reflective PVC (The color will be reflective when facing a strong light.)
High-quality silicone, tough soft and rub resistant.
High-Temperature Resistance, it can withstand up to 300 C.
Directly fit with 17mm /19mm /21mm wheel bolts.
Easy installation, just press the nut covers straight to the bolts.
17mm/19mm/21mm ( #17; #19; #21)
Package Include: 20Pieces screw caps
1. This product is suitable for most cars and it has four sizes (17mm.19mm.21mm) If your car wheel screw size is M16 that 17mm is suitable is your car wheel screw.
2. You need put the products under the light/sunshine for several hours at first