Photo Frame Anti-Noise 1 Square Meter Soundproof Cotton Acoustic Room Treatment, Self-Adhesive Durable Soundproof Foam for Bedroom Living Room Sound Absorbing Cotton Househol

Applicable scenes: opera house, kindergarten, theater, recording studio, conference room, concert hall, etc Material: Rubber cotton / / Color: Off-white, red, black, orange, yellow, green, blue / / Area: 1 square meter / / Thickness: 3CM;