Bookishbunny 12 Pks Acoustic Foam Panels Wall Record Studio Soundproofing Damping Fire Resistant 12 x 12 x 1" BlackGREAT FOR SPOT TREATING YOUR LISTENING ENVIRONMENT - For use in recording studios, control rooms, home studios, home entertainment theaters.CONTROL YOUR ROOM'S ACOUSTICS - Reduces standing waves and flutter echoes in small to medium sized rooms.12 Pack covers 12 square feet - Each tile is 1 square foot of 1 inch thick. Fire Retardant - passed the Class A ASTM E84 test! Mix and match colors for a custom look!Please allow a few days for the foam tiles to return to their original shapes after the compressed package is opened.