Specifications:<br />- Material: Sponge<br />- Size: 500x500x50mm<br />- Quantity: 4 Pc<br />- Color: Blue/Gray/Red/Black/Yellow/Pink/White/Black<br />- Applied to: Studio， Piano room， Drum room， Anchor's room， Home Theater， KTV， Meeting rooms， Instrument rooms， etc.<br /><br />Features:<br />1. soft sponge， no dust， high density;<br />2. The sound effects， suitable for studio and KTV etc;<br />3. 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.<br /><br />Note:<br />* Please allow 1-5mm error.<br />* Due to the difference between different monitors， the picture may not reflect the actual color of the item.<br />* Because of international transport， in order to reduce the damage of the product， we chose a special packaging. If you receive a curled soundproof cotton， please sprinkle some water on the curled surface. After about 1-2 days， the product will restore the original shape. <br />* Thank you for your understanding. Please feel free to contact us if you have any question.<br /><br />Package includes:<br />4 x Soundproof foam