3cm thick soundproof cotton, easy to install on walls, sound absorbing cotton, hotel, apartment, acoustics, room treatment (blue) (beige)

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: Blue, Black, Beige, Orange 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.