Acoustic Foam Panel Sound Stop Absorption Self Adhesive Sponge Studio KTV Soundproof Product selling point: Applied to: Studio, Piano room, Drum room, Anchor's room, Home Theater, KTV, Meeting rooms, Instrument rooms, etc. Easy to stick, tasteless, strong stickiness, no glue required The sound effects, suitable for studio and KTV etc; Pyramid sound-absorbing sponge with beautiful appearance and good acoustic characteristics, its greatest feature is: due to its pyramid shape, it provides little diffusion, it makes you sound more dynamic. It may, for example BASSTRAP combined together with the other products, consisting of a wide band absorber, the effect is very good. Description Material: Sponge Size: 25x25x5cm Note: Please allow 1-5mm error. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes 1 x Soundproof foam