Made from 215 kg/m of high-density environmentally friendly material, our soundproofing foam has great advantages in reducing and absorbing noise. In addition, the soundproof foam board performed well in noise suppression tests, reaching a level of 0.95 NRC, which is better than most audio panels on the market. [Wall decoration] : Stylish designs can also be used as decorative wall art in your favorite room. It can be used in recording studios, KTV, offices, home theater, etc., so you can make countless great memories in a comfortable environment. [Good noise reduction] : When you mix in the studio, you have to lower the ambient sound. Unnecessary noise during the recording ruined it. The sound absorption board can absorb the sound generated by low, medium and high frequencies, which is very suitable for recording. [Easy to install] : With a self-adhesive design, you just need to peel off the top liner on the back and glue the soundproof board to the wall. They can be used as acoustic coverings for walls, ceilings, and doors by simply attaching them with glue or tape. Easy to shape and cut, easy to modify without affecting performance, no special tools or materials required. [Widely used] High quality acoustic treatment for many occasions, not only for live sound on studio and office walls, but also for recording studios, control rooms, office home theaters and home offices. Adhesive: random color, not accepted specified color Color: White Material: Polyester fiber Size: 30x30x0.9cm Package contents: 12 x soundproofing foam only included above, other products are not included. Note: Light shots and different instructions may cause the color of the object to be slightly different from reality. The allowable measurement error is +/- 1-3cm.