Classroom Acoustic Room Treatment High Density Self-Adhesive Sound Absorbing Cotton 10 Square Meters Wall Soundproofing Foam (Blue) (Yellow)

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: White, gray, yellow, black, blue. Thickness: 1CM. Area: 10 square meters. Applicable scenes: drum room, piano room, bar, KTV, bedroom, hotel, opera house, kindergarten, theater, recording studio, conference room, concert hall, etc. Size: 1×10M. Material: sponge.