Made of High Quality ABSPaint Baking and UV Treated on surfaceEasy installation with double-sided tapeIn case it fall off, just add some tape and put the cover back on,then they will work perfectlyProvides a high class and fashion decor style, change the ordinary interior and exterior design of the car and add unique colors.FitmentModel: Perfectly Fit for Chevy Silverado GMC SIERRA 2014-2018Installation method: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 away from water and keep dry after been installed within 72 hours/3 daysMaterial:ABScolour:SilverPackage Contents:4 * Seat Adjustment CoverOnly the above package content, other products are not included.Note: Light shooting 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.