•SIZE - 12 X 12 X 2 inches, Material - Thick and high density polyurethane; Design - Periodic groove structure enhances both functionality and aesthetics •MULTIPURPOSE: | Reverb Control | Echo & Standing Wave Cancellation| Clarity Improving | Noise Reduction|, etc. Perfect for recording studio, isolation shield, home theater, office, etc •SOUND ABSORPTION: Acoustic Line Diffusers are the great solution for small flutter echo problem areas and, when spread apart, yield beneficial sound diffusion off their exposed edges. •VERSATILE APPLICATION: Our sound dampening foam panels are perfect for a wide range of acoustical treatments. Ideal for recording studios, home theaters, offices, music studios, gaming rooms, vocal booths, basement, streaming rooms, living room, bedroom, and more. They are an excellent choice for podcasters, YouTubers, and streamers to create a superior audio experience •Environmental And Safety - The raw material is made of high-quality environmentally friendly polyurethane foam, no irritating chemical elements, flame-retardant properties no health hazards and safe to use.