Stinger RKX36B Roadkill Expert Series Sound Damping Material Bulk Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Self adhesive butyl rubber anti-vibration membrane w/ aluminum layer</li><li>Material thickness: 0.085"</li><li>(9) of 18" x 32" sheets. Total Square Feet: 36 sq. ft.</li><li>Increased amplifier output</li><li>Easy cut and apply installation</li></ul></div><img src="http://ecx.images-amazon.com/images/I/512ZJEewe9L.jpg" noproxy>