Commemorative Aluminum Sign Plaques: Great gift ideas to recognize Years of Serice, Promotion, Retirement, etc. Each sign plaque is 14 inches squared. Custom sizes are available, E-mail Us for custom sizes, or if you have a shield that we don't currently offer. These are printed on Non-Reflective 3M™ IJ680CR-10 Vinyl, protected with a High-Gloss Lamination, and adhered to 040 Aluminum. If you would like to customize a badge, just let us know the part number from here.