EXCELLENT PERFORMANCE The sound deadening mat has the same properties as foam rubber and excellent sound insulation. It is absolutely non water absorbing and has no peculiar smell. It is very light, oil-resistant and gasoline resistant. HIGH QUALITY MATERIALS Automotive self-adhesive insulation material is basically made of butyl, which ensures the maximum efficiency and sound insulation effect of 6mm thick material. EASY TO INSTALL Car Sound proofing mat, which can improve cabin environment. The internal temperature will be adjusted and the noise from engines, roads and tires will also be reduced. WIDELY USEDOur car heat insulation pads are very suitable for automobiles, apartments, apartments, studios, classrooms, factories etc. PRODUCT FEATURESwaterproof and moisture-proof