[High Quality]The sound dampening panels is made of high density Polyester, better sound insulation than other soundproofing foam padding Our acoustic foam panels are sound proofing and flame retardant, odorless, non-, non-, corrosion resistant, and fade resistant. [Easy to Install]Our 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. [Fashionable Decoration]This stylish sound insulation board adopts square and beveled design, which can not only absorb unnecessary , but also can double as a decorative in your favorite space. [Wide Application]These noise-insulation panels are multi-. Great for spot treating sound on walls in your studio or office - The perfect sound proofing padding for wall, recording studios, control rooms, offices, home studios, and home entertainment theaters. By deadening unwanted sound using absorption panels, you can make other sounds much clearer. [Bring Out Your Creativity]sound-canceling panels. Unleash your creativity to decorate your unique space NOTE: Adhesive color random, Cannot be chosen the specific color. size: 30 x 30 x 1cm Material: Polyester colour: A-sesame black Package Contents: 12 x Acoustic Panels Only the above package content, other products are not included. Note: Light reflection 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.