Listing is for a set of black trim pieces that can be applied to both sides of your vehicle. The kit comes with four black 5/8'' wide by 6' long black trim pieces (if you need longer please let us know). Pieces are made of a flexible black plastic trim that are made to withstand all weather elements. Installation is very easy and takes about 20 minutes, ADDITIONAL TRIMMING is required. This can be done with a simple pair of scissors. Product is backed with strong 3M adhesive so installation is easy and requires no drilling or screws.