- Produced by environmentally polyurethane foam.In order to improve the opening steps and specific acoustic characteristics, make it not only has the sound absorption characteristics effectively, without any harm to human body - Mitigate slap and flutter echoes, waves, and reverb in all rooms. Maximum sound control can be achieved if combined with bass traps. - Ideal to soundproof: Recording Studios, Vocal Booths, Home Entertainment Theaters, Rehearsal Studios, Control rooms, Concert Halls, Churches, Offices, Man Caves, Dog Kennels, Power Generator Booths, Movie Theaters, Living Rooms, Bedrooms & more. ✦Specifications: - Material: environmentally polyurethane foam - Color: black - Size:30x30cm（12”x12") - Thickness:5cm / 2" ✦Note： - The physical size of this product will be inaccurate because the express package will be compressed. If you want to quickly restore the original size, you can soak it.

👍Suitable for sound recording studio, listening room, home theater, KTV, and all kinds of public places 👍The sponge is the ideal sound insulation, sound-absorbing 👍Sound-absorbing sponge is on the basis of sponge for further processing, acoustic inside the sponge and reflection of the increase in the number so as to achieve the noise, sound-absorbing effect 👍High quality yet low-cost material sound foam: professional acoustic technology design. maintain their soundproofing features over time. They only need to be taken care occasionally through dust vacuuming 👍If you have any issues, inquiries or need assistance, please feel free to contact us, we will try our best to help you