Pack includes 7 10"x10" sheets of Dynamat Extreme Sound Deadening (4.86 Sq Ft). Bavsound has partnered with Dynamat, the world's leading producer of sound and vibration control products to bring you the perfect pairing to your Bavsound upgrades.  By installing Dynamat Extreme in your vehicle you will reduce unwanted noise and vibration, from both inside and outside the cabin, allowing for a more accurate and transparent reproduction of audio in your vehicle. Installation requires nothing more than a heat gun or hair dryer, a cutting tool such as scissors or a razor blade, and a blunt object or roller to apply the material.