Each 6x3 roll of Pyramid Acoustic Foam covers an area of 18 sqft :

BEST FOR SOUND ABSORPTION AND ECHO REDUCTION: Pyramid Acoustic Foam Panels are made with original acoustic polyurethane open cell technology. The unique four-sided design increases the surface area of the material, resulting in effective sound absorption and acoustic treatment.
ROOM ACOUSTICS: A 100% wall coverage will improve your sound quality significantly, whereas a limited wall coverage would only result in acoustic treatment of the space.
SPECIFICATIONS: The NRC of this product is 0.90, as tested by ARAI under the compliance of ASTM C-423/ISO 345. Density of the product is 50kg/m3, which is not available with any other brand in the market. Each roll is 6' x 3' with a thickness of 2". This product is free of chemicals, toxins and odour.
APPLICATION: Pyramid Acoustic Foam of 2” thickness is best for improving audio clarity and reducing reverberation in recording studios, control rooms, offices, home studios, home theatres, home offices, hotel rooms, machine rooms, practice rooms, classrooms.
WARRANTY & CERTIFICATION: MMT Acoustix® offers a warranty of 1 year on every product and each one of them is certified by SGS, ARAI, and ISO for their quality and customer satisfaction.

Pyramid Acoustic Foam 2”, 6x3 Ft, European Blue