This great product will keep the inside of your ride cool and quiet. It's easy to install and keeps out the and unwanted noise, works so good that of you put it in your doors it gives them a solid when they close. Could be used on floors, firewall, door panels, trunk, roof and any interior areas that should be insulated. Feature -Color:Silver -Material:Rubber, aluminum foil -Thickness: 10mm -Size:200.00X100.00X1.00cm/78.60X39.30X0.39in - Made of soft and flexible rubber materials with excellent vibration resistance, can use it for noise reduction with confidence. - The sound insulation mat has a good temperature insulation and noise reduction function to provide you with comfortable driving environment. - The product has a wide range of uses, in addition to the trunk of a car, it is also suitable for many places where sound insulation is required. - Easy to apply and install for both professional and daily practical use, it can meet your needs provide you with more convenience. - The insulation block reduces the , reduces the energy consumption of the air conditioner, and saves fuel. Package list: 1 Roll x Sound Deadener