Design: soundproof wall panels can improve the acoustic environment and decorate your space at the same time. Irregular lines and shapes can be spliced with a variety of patterns, a wealth of splicing ways to adapt to any style of space, soundproof wall panels can change your living room, bedroom, office, game room style that are more attractive! Easy To Install: Self-adhesive acoustic panels are easy to install without tape, they are a good choice for mounting on walls, doors and ceilings, recommends that you wipe down the walls before installing them, so that the soundproof wall panels last longer and not come off easily. HIGH QUALITY & SAFETY: Our sound proof panels for walls are made of polyester fibre, the high density and the odourless of the soundproof wall panels not only absorbs noise but is also safe members and pets. The sound proof foam panels for walls are easy to cut, you can change the size with a knife easily. Colour:Black Material:Polyurethane Size:30x30x1cm Package Contents: 12 x Sound Proof Foam Panels(With adhesive backing, the adhesive color is random, no specified color is accepted) 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.