[SUPERIOR SOUNDPROOFING]: Made from HIGH DENSITY 100% polyester fiber, 300lbs per cubic yard, better Sound Insulation than soundproofing foam! Sound proofing and flame retardant, odorless, non-toxic, non-slip, corrosion resistant, and fade resistant. | [STYLISH]: 12'' X 12'' X 0.4''. Stylish panel design doubles up as a decorative wall art in your favorite space, which allows you to leave countless beautiful memories in a comfortable environment. | [EASY TO INSTALL]: Both general purpose spray adhesive and double-sided tape work. Simply attach spray adhesive or 3M double sided tape (not included) to the back of each panel and adhere in the desired position. | [WIDE APPLICATIONS]: Great for spot treating sound on walls in your studio or office - For use in recording studios, control rooms, Offices home studios, home entertainment theaters, Home Offices. Easy to shape and cut to size, altering won’t affect performance. Or use it on the ceiling, behind the TV or under your rug! | [WIDE APPLICATIONS]: Great for spot treating sound on walls in your studio or office - For use in recording studios, control rooms, Offices home studios, home entertainment theaters, Home Offices. Easy to shape and cut to size, altering won’t affect performance. Or use it on the ceiling, behind the TV or under your rug!