1.Specification: 595X595mm, 603X603mm, 595X1190mm, 595X1195mm, 603X1206mm, 603X1210mm, 300X600mm. 2.Thickness: 6-18mm. kind of advanced indoor ceiling decorative material with mineral wool as main component, is integrated with functions of fireproof, noise reduction, heat insulation and decoration. It is used widely in home decoration and decoration of public buildings such as malls, schools, ...