1 Set / 4 Pieces of Dashboard Air Vent Outlet Frame Trim. According to the original factory specifications. 100% brand new and high quality guaranteed. Made of light weight & top-grade durable carbon fiber material. Will dramatically improve the sporty appearance for your car. Step 1 Please clean the area and eliminates the substance before mounting this product. Step 2 To check the installation area according to the vehicle with this product first and then release the back of adhesive tape paper (double-sided tape, a label) is removed Step 3 Products are equipped on the vehicle with exactly and use a clean cloth to press evenly is attached. Step 4 Products within 24 hours after installed, please avoid washing your car and touching the water. No installation instruction included, professional installation is highly recommended!!! Before stick it please clean tiny particles and dust on the surface. Important Notice : all of our products are required to be installed in professional Modification car shop, NOT every car shop can make it! Our products are modified car parts, NOT original products, Small install gap is Allowed!