... sheet ,white ,opal ,milky white,creamy white1830X1220mm,1220X2440mm size,opitical grade,extruded plastic sheet Product3.0mm PS sheet, white ,opal ,milky ... double sidesPackingwooden case ,wooden palletAdvantages100% virgin polystyrene,extruded sheet,optical grade 2.0mm opal PS sheet, white ,milky white,creamy white