BOOM Mat Leather Look Sound Deadening Headliner is now available in uncut 75in x 54in sheets. This universal sound deadening interior foam is an adhesive backed material that can be used to dress up any interior while minimizing annoying outside noise. BOOM Mat Leather Look Headliner is constructed of high quality marine grade acoustical foam that resists mold and mildew while insulating from outside heat/cold and sound with an R4 value. Adds additional sound deadening & thermal insulation Use to finish any interior panel Easy peel & stick application Leather Look finish is easy to clean