Flame-retardant sound-absorbing cotton, high-density sound-absorbing panel, soundproof foam for indoor walls (black) (gray)

This product has flame retardant properties and will self-extinguish when it is away from the fire. Waterproof and moisture-proof. Excellent insulation performance Environmental protection and health, sound insulation, sound absorption, noise reduction. High density flame retardant, long-lasting durability. Decorative wall, reusable Color: gray, black, purple (color can be customized). Quantity: 1 piece. Area: 2 square meters Applicable scenes: drum room, piano room, bar, KTV, bedroom, hotel, opera house, kindergarten, theater, recording studio, conference room, concert hall, etc. Size: 100*200*5CM. Material: sponge.