... exquisite decorative sheets for building staircases, balconies, and environmental friendly office furniture.2,Opening Pattern : Rectangle, square, round, triangular, hexagonal, blossom, and ... .3,Material:Stainless Steel,Carbon Steel, Galvanized, Aluminium, Brass, Copper, Plywood,Fiberboard,Rubberboard,woodboard,Pasteboard. Al-Mg,alloyplate,Nickel-plate.PVC ...