40PCS 2MM Sound Deadening Proofing Mat Foil Butyl Car Van Vibration Damping Pads
Material : Aluminum & Butyl Rubber. 40pcs Cover 3.75sq.m=40.36 sq.ft. Step 5 : You can also use on car roof floors, hood, firewall, chassis, trunk room, trunk lid and so on. Do not cover the chassis wiring or air holes.