This design includes at least 22 pieces which includes 2 extra pieces. Many of these designs are designed to line up parallel with the aluminum portion of the wheel and then pressed down on the design. Thidesign includes at least 22 left and right pieces which includes 2 extra pieces for each side. Many of these designs are designed to line up to the back edge of your wheels and then pressed down on the remaining design. This kit is considered as an easy installation. The perfect way to customize your ride. General instructions provided as well as various installation videos. Thisdesign includes at least 22 left and right pieces which includes 2 extra pieces for each side. Many of these designs are designed to line up to the back edge of your wheels and then pressed down on the remaining design. This kit is considered as an easy installation. The perfect way to customize your ride. General instructions provided as well as various installation videos. Use the first piece to determine the best placement and technique for your installation. We recommend re-using this piece to confirm the best placement as this material is easily repositionable.