Studio Acoustic Sound Proofing Protective Sponge Treatment Panel. Features: Applied To: Studio, Piano Room, Drum Room, Anchor's Room, Home Theater, KTV, Meeting Rooms, Instrument Rooms, Etc. Soft Sponge, No Dust, High Density; 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. Specifications: Width: 25cm Surface Treatment: Plush Surface Style: Classic Length: 25cm Material: Acoustic Foam Package Includes: 24 X Soundproof Foam . We are an international seller, your order will be from abroad so please allow the necessary time of minimum 14 working for right now depending on where you to, due to ongoing delays in postal globally.