Dynamat Xtreme Bulk Pack (nine 45x81cm Sheets)The Dynamat Bulk kit contains nine 45x81cm sheets of Dynamat Xtreme giving 3. 3m coverage. Dynamat is a thin, flexible, easy to cut and mould sheet that stops noise causing resonance and vibration, by using visco elastic qualities that promote vibro acoustic energy conversion. In short, this means noise becomes silent energy. You can apply Dynamat in patches (25 50% area coverage) to keep a specific panel from resonating or you can apply it over an