Sandwich panels, EPS sandwich panels, XPS sandwich panels Width: 950, 960, 980,1150mm Thickness: 40-300mm Sandwich panels, EPS sandwich panels, XPS sandwich panelsMaterial: ploystyreneWidth: 950, 960, 980,1150mmThickness: 40-300mmLength: as ... of bottom layer: corrugated steel sheet Material of middle: condensed polystyrene foam board.With various colors, it has a nice appearance.