LFPartS Plain Blank Stainless Steel License Plate Polished Mirror Plain Blank Stainless Steel License Plate Polished, Mirror finish. Made of Stainless Steel and rust free guarantee. Durable enough to last under all weather conditions. Extra heavy duty. USA and Canada size 12"x6" Thickless: 1.2mm Includes Stainless Steel screws and matching screw caps.