Unique Bargains 12pcs Car Sound Deadener Insulation Mat Cotton Blend 20"x12"

Made of cotton blend material for heat resistance. This material eliminates vibrations, reduces general noise and rattle of the vehicle allowing for higher comfort. Self adhesive sound dampening material, is easy to install. It is designed in a handy size which makes it easier in terms of cutting. Block transmit sunlight and engine's heat to the cab, reduce air conditioning energy consumption. Please clean the surface you want to . You could heat it to make it soft, then compact it by hand. If the room temperature is below 5 degrees Celsius first with lamp heating it until soft. It would be best to wear gloves when working.