Wall sound-absorbing cotton, home theater corner soundproof foam recording studio professional sound-absorbing cotton (#2 20*20*100CM)

Color: Purple, Black. Product density: 50 high density, hard Environmental protection and health, sound insulation, sound absorption, noise reduction. High density flame retardant, long lasting durability. Reusable decorative wall Size: 20*20*50CM, 20*20*100CM. Material: Sponge Applicable scenes: drum room, piano room, bar, KTV, bedroom, hotel, opera house, kindergarten, theater, recording studio, conference room, concert hall, etc. The product is flame retardant, away from fire and self-extinguishing. Waterproof and moisture-proof. Excellent insulation performance