FatMat Self-Adhesive Black Butyl MegaMat Sound Deadener Bulk Pack with Install Kit - 50 Sq Ft x 70 mil Thick Description FatMat Sound Deadener is made to absorb vibrations and noises that travel through it giving you a dramatic reduction in irritating noises. MegaMat stops nasty rattles, eliminates vibrations, and reduces road noise, engine noise and exhaust noise in your ride. Improve audio quality, enhance bass, combats vibrational distortion. Applying FatMat Sound Deadener to quiet vibrations in your car can result in as much a 3 dB gain in sound. Patented Butyl rubber compound with pressure sensitive adhesive backing and aluminum layer fused to top. Features: One Roll 18 inch wide x 33.5 feet long of Black Self-Adhesive Butyl MegaMat (50 Sq Ft Total) with Install Kit Consisting of Easy Instructions, Roller, Knife, and FatMat Sound Control Decal Patented Butyl Rubber Compound with Protective Reinforced Aluminum Face, Black Finish Anti-Vibration Membrane Absorbs and Dissipates Vibrations Sound Deadening Acoustical Insulation for Cars, Trucks, RV's, Marine, & Home. Very Pliable Reduce Sound Distortion, Gain Sound Quality! Product Details: Material: Self-Adhering Patented Butyl Rubber Compound with Protective Reinforced Black Film Brand: Fatmat Product Dimensions: 402"L x 18"W Manufacturer: ‎FatMat Sound Control Inc. Part Number: ‎BMM50 Item Weight: ‎220 pounds Package Dimensions: ‎39.37 x 39.37 x 19.69 inches Item model number: ‎LYSB00G8IBEKI-ELECTRNCS Is Discontinued By Manufacturer: ‎No Size: ‎50 sq ft Color: ‎Black Material: ‎Self-Adhering Patented Butyl Rubber Compound with Protective Reinforced Black Film Item Package Quantity: ‎1 Special Features: ‎Easy Peel-Off Silicone Release Film, Conforms and Fuses Easily to Sheet Metal and Other Hard Substrates, Patented Self-Adhesive Butyl Rubber Compound with Reinforced Protective Aluminum Face, Black Finish, Highly Adhesive Batteries Included?: ‎No Batteries Required?: ‎No Date First Available: October 27, 2013