All Custom Aluminum License Plates at DesignASign.com are created with your custom vinyl lettering printed on a .040 aluminum license plate. DesignASign.com’s Custom Aluminum License Plates are rust resistant and able to withstand outside weather conditions, like temperatures from -40 to 176 F. Please know that the Custom License Aluminum Plates are for vanity only, and are not to be used in conjunction with a state or national registration. Your new Custom Aluminum License Plate with vinyl lettering will be great for advertising a business, hobby, relationship, faith or anything else you are passionate about.