Sundown Audio SA-9036 36 Sq. Ft. 90mil Thick Universal Sound Deadener KitBRAND NEW SUNDOWN AUDIO SA 9036 36 Sq. Ft. 90mil Thick Universal Sound Deadener Kit Key Features: Designed for use on rear decks, doors, floors and trunks Get more bass, more music, lower road noise and better sound for your car audio system Add SPL to your vehicle Improves bass quality Reduces bass distortion Easy self adhesive application Commonly referred to as Sound Dampening Specifications 90mil thick with black foil Peel and stick for easy