5M Soundproof Roll, Black Thick Sound Absorbing Cotton Office Conference Room Shock Absorbing Material High Density Soundproof Mat

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, durable and long-lasting. Decorative wall, reusable Color: Black Thickness: 3CM Area: 5 square meters Applicable scenes: drum room, piano room, bar, KTV, bedroom, hotel, opera house, kindergarten, theater, recording studio, conference room, concert hall, etc. Size: 1×5M Material: sponge