Three 18" x 33.5 ft rolls of self-adhesive FatMat (150 sq ft total) w/easy install instructions, wood roller, knife, and FatMat decal * 50 mil nominal thickness * Acoustical insulation for cars, trucks, homes, boats, campers, computers, and even the kitchen sink * Sound absorbing mat reduces noise and vibrations, stops rattles. Combats vibrational distortion, improving audio quality! * Our original product, offered in most economical bulk packaging for do-it-yourselfer"s and Professional restoration and installers