Rockville RM36 Trunk Lid+4-Door Sound Dampening Car Audio Kit + Dynamat Sample 36 Sq Ft Sound Deadener Bulk Kit 72 Mil+Roller+Degreaser. 100% butyl rubber material with an aluminum heat resistant coating! (no asphault in our sound dampening material!!!), Contains 9 sheets of sound damping material  Each sheet is 18" inch x 32" inch (4 sq. ft. per sheet). Paintable Surface Multi purpose is ideal for multiple applications including rear decks, doors, floors, any part of the trunk, roofs, quarter panels, hoods, etc. Increases SPL  The use of our Rockmat will not only make your sound more clear and eliminate distortion but it will make your music louder by, Eliminates sound leakage! Improves Bass Quality and Reduces Bass Distortion Kill unwanted noise, rattles, vibrations. Reduce exhaust and engine noise, Aluminum-coated for heat-resistance. 72mil thickness, Full car installation reduces unwanted noises 5-8 dB, We use the highest quality high-tack self-adhesive to make your installation quick and easy! Our model has new and improved increased flexibility for an easier installation and top sound quality! Permanent installation with ability to withstand even the highest temperatures! Waterproof material! Our material is very durable. It is waterproof, heat proof and flexible. Sticks to any surface, Designed and engineered by Rockville USA!, Manufactured with the newest state-of-the-art machinery using only the purest raw materials as well! Every product is checked during production for consistency. We have very high quality standards! We use very high quality butyl rubber which gives amazing sound insulation and shock absorption. We do not use any asphalt in our product! Available in both black and silver 9 Sheets of Rockmat Sound Dampening Material (4 square feet per sheet) Roller for a perfect installation Degreaser to clean the area and degrease it making for a perfect installation Rockville Rockmat RM36 36 Sq Ft Sound Deadener Bulk Kit 72 Mil+Roller+Degreaser 100% butyl rubber material with an aluminum heat resistant coating! (no asphault in our sound dampening material!!!) Contains 9 sheets of sound damping material  Each sheet is 18&#034; inch x 32&#034; inch (4 sq. ft. per sheet) Paintable Surface Multi purpose is ideal for multiple applications including rear decks, doors, floors, any part of the trunk, roofs, quarter panels, hoods, etc. Increases SPL  The use of our Rockmat will not only make your sound more clear and eliminate distortion but it will make your music louder by Eliminates sound leakage! Improves Bass Quality and Reduces Bass Distortion Kill unwanted noise, rattles, vibrations Reduce exhaust and engine noise Aluminum-coated for heat-resistance 72mil thickness Full car installation reduces unwanted noises 5-8 dB We use the highest quality high-tack self-adhesive to make your installation quick and easy! Our model has new and improved increased flexibility for an easier installation and top sound quality! Permanent installation with ability to withstand even the highest temperatures! Waterproof material! Our material is very durable. It is waterproof, heat proof and flexible Sticks to any surface Designed and engineered by Rockville USA! Manufactured with the newest state-of-the-art machinery using only the purest raw materials as well! Every product is checked during production for consistency. We have very high quality standards! We use very high quality butyl rubber which gives amazing sound insulation and shock absorption. We do not use any asphalt in our product! Available in both black and silver Dimensions per sheet: 32&#034; inch Length x 18&#034; inch Width x 0.07&#039; sheet Depth Raw Material: 90% high absorbent butyl rubber and 10% pure-grade aluminum Reduces unwanted noises 5-8 dB Adhesive temperature range of -100F to 300F (-60C to 150C). High-Tack Self-adhesive Material Color: Silver Weight: 25 (Lbs.) per box Shipping weight: 26.19 LBS Shipping Dimensions: 22.64&#034; x 14.57&#034; x 3.54&#034; Trunk Lid+4-Door Noise/Sound Dampening Deadening Car Audio Matt Kit Made of high quality Wood &amp; Steel Designed especially for use in installing sound dampening material Length: 7 in Handle Length: 5 in Roller Diameter: 1.3 in Material Color: Gray Weight: 0.44 Lbs.