Made of high quality fiberglass material, durable and lightweight 3.3D design, CNC moulding, test installation on real cars, good fitment guaranteed 4. Car Roof Spoiler are designed to factory specifications for easy installation and clean, installed with self-adhesive tape. Peel off the tape on the back, then stick the spoiler on the lid of the trunk. It is easy to clean in daily use. Impresses with its fitting accuracy and emphasizes the sporty lines of your car, stylish design gives a customized look 6. Add downforce, detach airflow, enhance stability, reduce fuel consumption 7. Embedded packaging, damp-proof, shockproof & crashproof, to avoid being damaged in long-distance transport Specification: Material:Fiberglass Surface Finish:glossy bl.