197mil 5mm 21.5sqft Auto Heat Sound Deadener Dampening Insulation Aluminum Foam Mat M5x15x25 Size: 18x6cm / 7

Size: 18x6cm / 7

for Peterbilt 386 2016

71 inch(L*W)

for Mercedes-Benz C300 2018 Base Sedan 4-Door

197mil 5mm 21.5sqft Auto Heat Sound Deadener Dampening Insulation Aluminum Foam Mat M5x15x25 Size: 18x6cm / 7Description: 100% Brand New Covered with intensive aluminum foil. Thickness: 5mm Strong sound insulation and absorption performance, heat insulation, damping and reducing energy consumption with a strong performance of heat insulation. Strong self viscous performance and strong shock resistance. Making sound more centralized and harmonious by changing the way of sound transmission. Installation: Remove the door panels. Install the screws back in