HEXAGON SHAPED&BEVELED EDGE DESIGN: It is the honey comb design that makes our sound proof foam panels great for wall decoration and acoustic treatment! Crafted using chamfer design, the sound panels bring better protection to your family and friends such as anti-collision, anti-scratch and non-slip. Good looking soundproofing panels play an important role in wall art in your favorite space! IMPROVE SOUND QUALITY: Made from 215kg/m3 high density polyester fiber cotton, our soundproof wall panels do well in reducing noise, eliminating sound impurities and improving speech intelligibility. We on using high quality soundproofing material to it's flame retardant, odorless, corrosion resistant, and fade resistant. Furthermore, the acoustic foam panels achieve of noise reduction coefficient: 0.92 and absorption coefficient: 0.8! WIDE APPLICATIONS: Professional sound dampening panels are great for spot treating sound on walls in your studio or office. Special mixed color soundproofing panels