Description: Quality Material: Made from polyester,the high density board offers great compression resistance and is environmentally friendly ensuring no unpleasant odorsStylish Wall Decor: Not just functional, these soundproof wall panels also serve as fashionable wall decor. You can DIY your unique wall decoration to match your personal room themeVersatile Use: The sound absorbing panels are ideal for walls and ceilings in various space such as recording studio, office, home theater, and game room. They effectively decrease noise and for better sound qualityQuality Material: Made of polyester, these wall panels have good durability and reliable for long term useConvenient Packaging: Each package contains 12 panels measuring 30x30x0.9cm/11.81inchx11.81inchx0.35inch each, making it easy to cover larger areas according to your needs Specification: Material:Polyester Size Chart: 30cmx30cmx0.9cm/11.81inchx11.81inchx0.35inch Package Includes: 12Acoustic Panels Note: Please allow slightly errors due to manual measurement and different monitors.