0.5mm Stainless Steel plate with a 1 stock color imprint on 1 side and for Indoor use. Square or rounded corners, art can bleed to the edge, size can be , < 1 sq. inch up to or equal to 3 square inches in size. Includes square or rectangle shapes. Adhesive or up to 4 holes. Variable data, additional colors, consecutive numbering and outdoor use options such as specialty coating and adhesives would all be custom quoted.