[Specifications]: Color: Silver gray/ Total Size: 30x30x0.9cm (11.81inchx11.81inchx0.37inch) / Package include: 24 Pack acoustic foam panels. [ Wall Decoration]: Stylish geometric design doubles up as a decorative wall art in your favorite space. It can be used in recording studios & KTVs & offices, home theaters theaters etc ,which allows you to leave countless beautiful memories in a comfortable environment. [Good Sound Absorption Characteristics ]: If you are mixing in the studio, the ambient sound must be reduced. Any unnecessary noise will destroy the recording. The sound-absorbing board absorbs the sound generated by low frequency, middle frequency and high frequency, making it very suitable for recording. [Easy to Install]:They can be used as acoustic cover for walls, ceilings and doors, just easily attach it with ,glue or adhesive taps.Easy to shape and cut to size, altering won't affect performance,no special tools or materials are needed for installation.If you have any problems with the product,please feel free to contact us. [High density and eco-friendly]: Made with 100% Polyester Fiber, flame Retardant, it is both to breathe in and Press, making it great for any location in the home or studio, it's for adults, kids, and pets! size:30x30x0.9cm Material:Polyester colour:Silver gray Package Contents: 24 x Soundproof cotton Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.