Moisture-proof fireproof soundproof foam, corner foam tile for office meeting room sound-absorbing cotton 502020CM (purple) (black)

This product has flame retardant properties and will self-extinguish when it is away from fire. Waterproof and moisture-proof. Excellent insulation performance Improve sound clarity, optimize sound quality, sound insulation, sound absorption and noise reduction. High density flame retardant, long-lasting durability. Decorative wall, reusable Color: Black, Purple Quantity: 1PCS Applicable scenes: drum room, piano room, bar, KTV, bedroom, hotel, opera house, kindergarten, theater, recording studio, conference room, concert hall, etc. Size: 50×20×20cm. Material: sponge.