Sound control with a finished look! Boom Mat Acoustic combines premium sound damping with a clean, professional finish. Its dense acoustic barrier and felt liner work together to absorb and block unwanted noise while enhancing interior appearance. Easy to cut and install, it’s the perfect solution for doors, trunks, firewalls, and package tray — delivering professional results and a quieter, more refined ride. Each Sheet measures 17x18 inches (2.125 sq ft.). The butyl layer is 1.75mm thick, and the felt layer is 7mm thick. Total weight per sheet is 1.6lbs.