10pcs Diffuser Shark Fin Kit [Material] Made of high-quality ABS material, it is light in weight, durable, wear-resistant, high and low temperature resistant. [Shark Fin Appearance] Streamlined aerodynamic design of shark fin appearance can reduce wind resistance during driving, reduce air resistance and air noise, and improve the stability of vehicles during fast driving. [Fashion Design] The product has two colors, black and carbon fiber pattern, which make your car more sporty and cool. [Easy to Install] These roof wings have strong self-adhesive tape on the back for easy installation, just peel and paste. During installation, use a hair dryer to heat for 1 minute to obtain better viscosity.