(24 Pk) 2"x12"x12" Soundproofing Foam Acoustic Tiles Studio Foam Sound Wedges Great performance at a Low Cost / Overall Noise Reduction Coefficient (NRC): 0.65 Smaller panels offer more options for placement and design / Pack of 12. Covers 12 sq. ft. (Covers 1 sq. ft. per sheet) Good for Recording Studios, Vocal Booths, Home Theathers Reduces standing waves and flutter echoes in small to medium sized rooms , when used in conjunction with corner bass absorbers and male/female broadband absorbers Product Made In The USA , Exclusively Sold By IZO ALL SUPPLY CO.