The 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-, corrosion resistant, and fade resistant. This stylish sound insulation board adopts beveled edge design, you can hang this square soundproof wall panels in a of ways and double as a decorative in your favorite space. Offering stylish dcor without sacrificing any of their soundproofing power. 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. 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. With adhesive, the color of the adhesive is random, no designation is accepted Colour:Light Blue Material:Polyurethane Size:About 30x30x1cm Package Contents: 12 x Acoustic Foam 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.