These acoustic wall panels use a 3D textured wood slat design with MDF and high-density polyester fiber to reduce noise and echo. They support sound absorption for walls and ceilings in homes, offices, studios, commercial spaces, home theaters, conference rooms, and music studios, with peel-off adhesive backing for DIY installation and low TVOC emissions. | Mondawe | | 4PCS Wooden Strip Acoustic Boards,3D Groove Sound-Absorbing Design, Three-Side Wrapping Craft, Adhesive | Walnut | Best Buy