Made of High Quality ABS Paint Baking and UV Treated on surface Easy installation with double-sided tape In fall off, just add some tape and put the cover back on,then they will work perfectly Provides a high class and fashion decor style, change interior and exterior design of the car and add unique colors. Fitment Model: Perfectly Fit for C8 2020-2023 Installation : 1) Clean the surface, keep dry and clean. 2) Paste and install. (there is auto adhesive glue in the trim back) 3) Please press hard especially on the edges at least 2 minutes after installing. 4)Using hair dryer (hot air blowing) in cold weather. 5) Please keep from water and keep dry after been installed within 72 hours/3 days Colour:carbon fiber pattern Material:ABS Package Contents: 2x Air Outlet Cover Trim Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.