Polyester Fiber Easy to InstallOur soundproof wall panels comes with adhesive backing, which reduces the installation cost and makes the operation easier. Just tear off the protective film on the back and adhere in the desired position. Decorate Your LifeThis stylish hexagonal sound insulation board adopts beveled edge design, you can hang this hexagonal soundproof wall panels in a variety of ways and double as a decorative wall artwork in your favorite space. Offering stylish décor without sacrificing any of their soundproofing power. High QualityThe sound dampening panels is made of high density polyester fiber, better sound insulation than other soundproofing foam padding! Our acoustic foam panels are sound proofing and flame retardant, odorless, non-toxic, non-slip, corrosion resistant, and fade resistant. Wide ApplicationThese noise-insulation panels are multi-purpose. Great for spot treating sound on walls in your studio or office - The p