Color: Black/White Total Size: 30 * 30 *2. 5cm (12*12*1) Package include: 12 Pack White/12 Pack black,our products are compressed packaged, so before use, you can restore them with a hair dryer or wash them in water, which is more conducive for your use High Quality Sound Proofing Panels: Made of high quality polyurethane material, soft and durable, you can use the soundproofing foam securely. Professional acoustic panelsAcoustic foam with beautiful appearance and good acoustic characteristics, its greatest feature is: due to its pyramid shape, it provides little diffusion, it makes you sound more dynamic. Soft sponge, no dust, high density .Used to absorb mid to high range frequencies and diminish echoes. Overall Noise Reduction Coefficien Applied to: Studio, Piano room, Drum room, Anchors room, Home Theater, KTV, Meeting rooms, Instrument rooms, etc.Our sound proofing panels is soundproof and fireproof , providing you with a safer and quieter environment Easy to InstallThe wall panel tiles are easy to use, no complex operation required.You can fix them with staples, nails, screws, tacks, double-sided tape or glue. No adhesive