Product NamePolyester(PET) acoustic panelsColors28 available or customizedThickness3mm-25mm, all availablesizenormall is 1220*2440mm, Max: 2440*3050mm, other size available customizedMaterial100% polyester fiber(PET)Density1200g/M²-3500M/²,all availablestocknormally is 9mm and 12mmFlame RetarantASTM E84 CLASS A, EN13501 CLASS BCertificateMSDS, SGS, OEKT-100, Intertek and so onFunctionsoundproof, decoration, Eco-friendly material(recycled PET staple fiber physical process, no chemical irritants free of harmful substances.