12pcs Acoustic Foam Panels, High Density Wedge Tiles Acoustic Padding for Home Insulation or Studio Sound, 30X30X5cm3D Acoustic Design: Our 2 inch foam provides moderate sound control on your wall or ceiling. It is very suitable for people who reduce and absorb unnecessary echo, wave, reverberation and floating echo. Environmental protection: Made of environmentally friendly polyurethane foam, 50/lb per cubic meter, the sound insulation board not only has effective sound absorption properties, but also will not harm our body. Quick return to normal size: open the vacuum package and place the foam panel in a ventilated place for about 24-48 hours. Another method is to soak the foam in water for one minute, then wring the foam out of the water and air dry or use a hair dryer. You can also let them sunbathe in the sun! Go higher: The quality of audio and video recordings – when recording voices, music, interviews, podcasts or YouTube videos, it instantly improves the sound quality. It is suitable for small to medium-sized rooms, theater halls, recording studios, churches or offices. 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. Size: 30x30x5cmMaterial: p