[Market intensive]: 230 kg/m high density. 10 acoustic foam/ acoustic panel/low density polyester fiber products. The highest density and best quality sound-absorbing panel on the market. The combination of patterns you with more choices.[Wall Decoration]: Fashionable design doubles as decorative wall art for your favorite space. It can be used in recording studios, KTVs, offices, home theaters, etc., allowing you to leave countless beautiful memories in a comfortable environment.[Good noise reduction]: If you are mixing in a studio, you must lower the ambient sound. Unnecessary noise during recording will destroy it. The sound-absorbing board can absorb the sound produced by low frequency, middle frequency and high frequency, which is very suitable for recording.[Easy to install]: They can be used as acoustic covers for walls, ceilings and doors, just glue or tape to easily . Easy to shape and cut to size, easy to change without affecting performance, no special or materials required.colour:WhiteMaterial:Polyurethanesize:Side length 17.5cmPackage Contents:12 x Hexagonal sound-absorbing spongeOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.