Feature: Sound insulation, improves the ride quality in your vehicle by reducing engine noise, tire whine, road noise, and wind noise. Heat insulation slows down car paint aging. Closed foam helps to improve the vehicle acoustics. Easy to cut, peel, and apply. Fit all kinds of vehicle types. Self sticking backing and waterproof, dustproof, flame retardant. Placement of Use: Hood, Ceiling, Door, Cockpit Floor, Tailgate, Firewall and U Type Wall, Front fender, Front and Back Wheels. How to Install: 1. Decide which part you want to insulate first: car roof, car floor, car doors or a hood. 2. Remove the panels. Properly clean and degrease the surface prior to installation of mat. 3. Measure the pre-cleaned surface of the prospective spot that you are going to treat. 4. Try to locate the piece of material onto the prospective surface of a car without removing an adhesive paper. 5. When your sheet is ready to be used, lay that down to the surface. Flatten the sheet with hands to avoid air bubbles. Then use a roller tools will make insulation materials and sheet metal firm fit. Installation Notices: 1. Do not cover the chassis wiring or air holes when you install. 2. Appropriate use of adhesive tape will strengthen connection effect. 3. It would be best to wear the gloves when working. 4. You could heat it to make it soft, then compact by hand. 5. According to the effect you want choose a construction program, only a single Soundproof/Damping Plate or single Heat Noise Insulation Cotton or Both them. Package Include: 1 Pcs Heat Sound Deadener Insulation Mat, 1 Pcs Roller, 1 Pcs Removal Tool.