Easy installation with tape. No modifications or trimming. Can be painted to match your vehicle color. UV-protected and weatherproof coating assures you durable product. Installation is completely reversible, therefore will not leave permanent mark. Increases and reduces drag. Increases high speeds and performance. Features - Color: Carbon striation. - Material: Plastic. - Size: 8.00 x 3.20 x 2.50cm/ 3.14 x 1.26 x 0.98 inch. - Fashionable style, smooth and shinny surface give your car aggressive look and makes it stand out. - Strong self adhesive to the car, sturdy and not easy to fall off, stayed adhered through harsh condition. - Reduce air resistance and air noise, improve the stability of the vehicle during fast driving. - Universal fit for most car, no need for modification or trimming. - Use of bottom adhesive directly stick ,need proper measurement to get them perfectly aligned. Package list: 4 x spoilers