24 Pack - Foam Acoustic Tiles Studio Foam Sound Wedges 2" X 12" X 12" Each WEDGE comes uncompressed and in prime condition! The Wedges in the photo will be exactly what you get. Great for spot treating sound on walls in your studio or office - For use in recording studios, control rooms, Offices home studios, home entertainment theaters, Home Offices Product Care: Occasional Vacuuming of Dust. For professional acoustic control, sound dampening, acoustic treatment, noise reduction - Reduce waves, reverb and flutter echoes in smaller to medium sized rooms. MADE IN USA - Fire Retardant: CA Technical Bulletin 117