Acoustic Foam Panels 2" X 12" X 12" Self-Adhesive Acoustic Studio Wedge Tiles, Sound Panels Wedges Soundproof Foam Padding SoundDESCRIPTION 1 3D ACOUSTIC DESIGN: Our 2 inches foam provides moderate sound control on walls or ceilings. Perfect for individuals to reduce and absorb unwanted echoes, waves, reverb and flutter echoes. Detailed description 1 ENVIRONMENTAL PROTECTION: Made up of environmentally friendly polyurethane foam at 50 lbs per cubic yard, the acoustic panels not only have effective sound absorption characteristics, but also will not cause any harm to our body.