High density sound absorbing cotton, corner soundproofing foam, bass trap sound absorbing foam panel for studio KTV soundproofing (gray) (black)

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: Purple, Gray, Black Quantity: 3PCS Applicable scenes: drum room, piano room, bar, KTV, bedroom, hotel, opera house, kindergarten, theater, recording studio, conference room, concert hall, etc. Size: 30×30×50CM, 30×30CM. Material: sponge.