Stinger RKXTK ROADKILL EXPERT - BOOT KIT 20sqft, 10/pack (12 x 24") Use on rear decks, doors, floors and the floor of your trunk to get more bass, more music, lower road noise and better sound Stinger Roadkill Car Sound Deadening Material 10 Sheets 12"x 24" covering 20 sqft Approx New Silver Finish with Stinger Logo 2.2mm Thickness Made of proprietary butyl rubber composite with an aluminum constraining layer for vibration damping. Designed and engineered in the United States, Roadkill is extremely efficient at converting vibration to thermal energy. This unique formula allows the material to easily conform and adhere to sheet metal and most other hard surfaces. Easy to cut and install, plus the aluminium layer virtually disappears after application. Use in conjunction with other RoadKill products for that perfect Noise Free installation. Key Features Silver Aluminium Look Lightweight Construction Easy installation, just Cut, Peel and Stick. No Prep Needed Expert level sound damping Aluminum outer layer Self adhesive Easy installation Use on all metal panels, doors, roof, floor, firewall & trunk Kills panel resonance, squeaks and rattles Highest damping vs. weight ratio of any material available Improves overall audio frequency response and bass output Trunk kit 10-Pack: 20sq-ft total (12” x 24”) noise deadening material Minimum Thickness 0.080in Minimum Weight 0.65bs/ft2 Aluminum Layer- 6 mils Application Roller for easier Installation (Optional Extra)