Dear Sir/Madam, Type:Acoustic wooden wall panelling Mateiral:MDF, MGO (magnesium oxide board) Size:133/197*2440mm Thickness:12/15/18mm Model:13/3,28/4,18/3,40/3,59/5 Finish:Melamine, veneer, metal, paint, anti-fire plate Fire rate:ASTM E84 Environmental protection level:E1 Installation:Aluminum keel, wood frame Application:Auditorium, Hall, Multifunction room, Studio,etc. Show More