2 Pack DEI Spray-On Boom Mat Thermal Acoustic Control This 2 Pack of Boom Mat Spray-On is perfect for those hard-to-reach places such as trunk interiors, fender wells, undercarriage, body panels, rear quarters, and inside door panels to name a few. In addition to reducing noise, and vibration and serving as an undercoating, Boom Mat Spray-On also serves as a thermal barrier insulating against heat. Features: Dries to Touch in 20 Minutes, Paintable in 6 Hours Each Can Covers Approximately 20 sq. ft. Enhance Audio Performance Helps Prevent Rust Won't Crack or Chip Eliminate Road Noise Dampen Vibrations Great for Hard to Reach Spaces For Interior/Exterior Use **THIS LISTING IS INCLUDES TWO 18OZ CANS**