1.Eco-friendly,Waterproof,Fireproof 2.Easy to install,long life to use 3.economy popular and healthy High quality board with best PriceFunction: Sound-AbsorbingAcoustic BoardAcoustic Panel Type: Wooden Acoustic PanelsExcellent fire-proof performanceEco-friendly,Waterproof,FireproofEasy to install,long life to useeconomy popular and healthy Supply 132*18 Wooden Acoustic Panels