Home Theater Acoustic Panels, Flame Retardant Sound Absorbing Cotton High Density Noise Reduction Soundproof Foam 10PCS (Black) (Purple)

Applicable scenes: opera house, kindergarten, theater, recording studio, conference room, concert hall, etc Material: Sponge / / Color: Blue, Sky Blue, Yellow, Red, Purple, Black / / Size: 50 * 50 * 6CM / / Quantity: 10;