20PCS Sound Deadening Mat Car Firewall Heat Shield Thermal Insulation Proofing
Heat Insulation and Vibration Deadener: Effectively blocks 98% of radiant heat transfer. Sound D eadening M aterial S ize: Each item ’ s thickness is 5 mm ; Total coverage area of 4.84 sq.feet; Each item ’ s s ize 25 x 18 cm.