Auralex Acoustics MiniFusor 12 Set (Coverage ca. 1,2m²), Sound Diffusor made of rigid thermoplastic resin, wall mountable with pushpins, staples, nails, Tubetak, Velcro or 2-sided tape, white in color but may be easily painted by brush or spray, 12 pieces per Box, Dimensions: 305 x 305 x 130 mm