O typed design, made of rubber material in black. Specially designed vehicle air sealed strip can be used on side of car doors, Boot, engine, low the wind and the sound of vibration, also can be used on door frame, window, forbid collision in order to make the outside noise low. Enhance the airtight body, reduce wind noise, road noise effects. It can be eliminated the dust and the rain in the car. When you install.The sealed strip, please clean the blot where you want install.