SDBDK12 12 Square Feet Black Sound Deadening Kit (Four 12" x 36" Pieces)

Product Features: Four 12" x 36" Pieces of Sound Dampening Material 91mil thick (2.3mm)! There are cheaper, inferior solutions at 50-80mil, but we do not recommend that thin of a solution as it will not perform as well. 12 Square feet total Made from 100% Butyl Rubber Eliminates road noise Quiets vibrations Increases sound quality and output of car audio system Stops rattles Increases SPL Reduces heat Easy-to-form aluminum conforms to the desired area of the vehicle with ease Four-step peel and stick design for easy installation Up to 30% thicker than the leading competitors Dimensions (each piece): 12"L x 36"W 1-year Warranty from the Original Purchase Date