12pcs Acoustic Sound Absorbing Foam, Acoustic Panels High Density Foam Boards for Recording Studio3D Acoustic Design: Our 2 inches of foam provides moderate sound control on walls or ceilings. Ideal for individuals to reduce and absorb unwanted echoes, waves, reverb and echo flutter. Made of 100% polyester fiber, flame retardant, can be safely breathed and pressed, making it great for anywhere in your home or studio, safe for adults, kids, and also soon survival mode! Great for treating spot sound on walls in the studio or office - for use in recording studios, control rooms, home offices, theaters, home entertainment, home offices. Easy to shape and cut to size, the change will not affect the performance. The package is vacuum sealed for shipping. At first glance, the foam has deformation, but don't worry about that. Just unpack the package in time and place it in a well-ventilated place for 24-48 hours to restore its normal shape. Our acoustic foam panels are the ideal solution for absorbing flutter, standing waves and reverberation or unwanted mid to high frequencies of sound. Widely used at home or professional studio, home theater, control room, musical instrument studio, ktv, bar, vocal booth, church, conference room, podcast studio, etc. Color: Black + PurpleMaterial: Polyurete