(12) 24" x 48" x 2" Thick Studio Foam Acoustic Soundproofing Wedge Foam 12 Tiles 24 x 48 x2 Thick StudioFoam Acoustic Soundproofing Wedge Foam Made in the USA, 1.8 lb Density and ILD of 70 (WEDGE NRC.80 OVERALL) Excellent choice for sound and noise control and also reduces reverberation Recommend for: Recording Studios, Home Theaters, Broadcasting Studios, and many other Industrial and Commercial Applications. Our Acoustic foam panels provide affordable insulation and noise control suited to many environments. Our product meets California 117 flame retardant specifications, and is class B type