The penal helps to oscillate the echo and reduce unwanted reflections and reverberation. Thanks to its powerful noise reduction, the 12 triangular grooved walls are suitable for studios, recording studios, vocal kiosks and control rooms. Helps block sounds anywhere and effectively prevent indoor echoes,more user-friendly. These studio wall soundproof tiles let you no longer disturb your neighbors or family. With exquisite craftsmanship,this penal is easy and convenient to install. The studio wall soundproof tile is made of polyurethane, which is safe and durable and is harmle to the body under normal conditions. Specifications: Color: as shown. Material: polyurethane. Size: 30x30x2.5cm. Note: There may be little color differences depending on the resolution. There maybe a slight error due to different measurements. Package included: Type 1 24 x soundproof penals. Type 2 12 x soundproof penals.