12 Pack Acoustic Foam Panels, Wedges Soundproof Foam Panels, Fireproof Studio Foam, 9 Mushroom Blocks, 30X30x5cm[Specifications]: 2 inch foam provides moderate sound control on walls or ceilings. This product provides strong noise cancellation where moderate attenuation is desired. [High-Quality Materials]: Well-designed sound-absorbing foam panels are made of fireproof and environmentally friendly materials. Not only do they have effective sound-absorbing properties, but they also do not cause harm to our body. [Effective Noise Reduction]: the protruding part of the foam increases the area with the sound wave, which will greatly reduce the transmittance of the sound wave. Ideal for individuals to reduce and absorb unwanted echoes, waves, reverb and echo flutter. [Easy to Install]: can be used as soundproof covers for walls, ceilings and doors, and can be easily installed with nails, glue or adhesives (not included). It can be cut or assembled without affecting its performance. [Widely Used]: Very suitable for sound therapy on the walls of recording studios or offices-used in recording studios, control rooms, office studios, theaters, home entertainment, home offices. Easy to shape and cut, the modification will not affect the performance. Color: Black + Red Material: Polyurethane Size: 30x30x5cm Package Content: 6 x Black Sound-Absorbing Cotton6 x Red Sound-Absorbing Cotton