Hushmat Ultra Insulating Dampening Kit 12″ x 23″ (20) Black Foil.

HushMat® cancels noise in cars, trucks, SUV’s, big rigs, vans & boats with easy to install custom mats. Hush sound, hush heat, hush space. All you need is scissors. The #1 selling insulation Product in the US proven to be better than Dynamat and Boom mat.