50/100CM Soundproofing Cotton Acoustic Room Treatment, Recording Studio Professional Acoustic Room Treatment High Density Flame Retardant Soundproofing Foam (Black 20*20*50CM) (

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: Brown, Black Quantity: 1PCS Applicable scenes: drum room, piano room, bar, KTV, bedroom, hotel, opera house, kindergarten, theater, recording studio, conference room, concert hall, etc. Size: 20×20×50cm, 20×20×100cm. Material: sponge.