Product description Acoustic Foam - Pyramid 1"X 12"X 12" - SoundProofing/Blocking/Absorbing 24 Pack Kit) - Made in the USA! 12 Pack Special! 1" Thick x 12" x 12" WHITE Color - Covers 12sq Ft High NRC Rating of .87 Excellent for Low thru Mid and High Freq's Made in the USA! Uses : Ideal for Recording studios Product description 12 Pack of (12 x 12 x 1) Inch Acoustical Pyramid Foam for Soundproofing Studio/Home Theater For basic soundproofing, 1 inch wedge foam provides moderate sound control on walls or ceilings. This product is best for when absolute sound deadening is not required, but moderate deadening is desired. Pyramid foam is most effective on mid-to-high frequency ranges. The 12 packs of Pyramid foam are available in the following colors: This foam is truly colorized and not surface-painted, ensuring uniformity, and is designed to resist light, humidity, temperature, sweat and cigarette smoke. Identical, Side to Side All our soundproofing foam is cut and angled with nearly percent accuracy, leaving you with clean, squared edges. Unlike other companies that manufacture irregular, jagged or mismatched wedges, our foam can be aligned perfectly with the next piece to provide professional uniformity in your installation.