Pro Studio Acoustics - 12"x12"x2" Acoustic Wedge Foam Absorption Soundproofing Tiles - Purple/Charcoal - 12 Pack PREMIUM QUALITY ACOUSTIC STUDIO FOAM - Each piece of foam comes uncompressed and in pristine condition, ready to install today! What you see in the photos is exactly what you get. GREAT FOR SPOT TREATING YOUR LISTENING ENVIRONMENT - For use in recording studios, control rooms, home studios, home entertainment theaters. PACKAGE IS NOT COMPRESSED!!! - Unlike other brands, this foam will not be warped or damaged from highly compressed vacuum packaging. Includes acoustic foam, installation instructions, and data sheet. CONTROL YOUR ROOM'S ACOUSTICS - Reduces standing waves and flutter echoes in small to medium sized rooms. NRC of 0.65 MADE IN USA - 12 Pack covers 12 square feet - Each tile is 1 square foot of 2 inch thick premium acoustic wedge foam. Fire Retardant: CA Technical Bulletin 117 and ASTM E84 Class A.