This is the Buzzmat (by dB Link) LBK101832BK Soundproofing Bulk Kit. It comes with 10 18" x 32" sheets of soundproofing mat material.
Features:
- Chemical Resistant: Mineral, oils and water.
- Onyx Metallic Thermal Barrier
- Black/White Butyl Elasto Mass
- Neutral Wax Paper Release Liner
- Reduce Road Noise
- Increase SPL
- Enhance Dynamic Sound Range of your Speakers
- Number of sheets: 10
- Dimensions: 18" x 32" / 457.2mm x 812.8mm
- Surface Area: 40 Sq. ft / 3.71 Sq. M
- Weight: 29.98lb / 12.24Kg
- Temperature Range: -70°F - 315°F / -56°C - 157°C