This car sound deadening mat will offer you a quiet driving environment! This lightweight butyl rubber is environmentally friendly and odorless for use safety. The sound dampener features good sound insulation which can effectively eliminate various noise. And it can block the high temperature generated by engine work to improve the air conditioning effect. In addition it absorbs the vibration energy of the metal parts to prolongs service life of car parts. What's more the automotive sound deadener will promote sound quality to create a better music atmosphere in the car. If you are looking for such product don't hesitate to buy it now! --Environment-friendly butyl rubber material for safe use --Elastic protective layer to reduce vibration --Block the transmission of sound wave with good sound insulation --Fine sealing performance of the cab to reduce car noise --Protect the exposed parts of car by blocking the impact of gravel and erosion of rain --Thermal insulation to help save energy consumption of air conditioning --Strengthen the sheet metal to prolong vehicle life --Enhance the sound quality of loudspeaker --Stronger body to improve passive safety when colliding --Suitable for the car body cover door trunk roof etc --Multi-application noise reduction for household appliances furniture etc. --36 sq.ft total coverage area --9 sheets for complete packaging --Easy to assemble and store