Polyboard auto plate inserts are made of economical off-white 24-mil heavy card stock with a plasticized coating for all-weather use. Plate inserts are available in 43 standard screen-print colors. (Fluorescent Colors not available for Auto Plate Inserts). We can use your artwork, or we can help you with a new design. There will be no art charge for most designs. Please allow a minimum of 10 working days for production after acceptance of artwork by manufacturer. Auto plate inserts measure 6" x 12". Pre-drilled round holes are standard. Oval holes are optional at an extra cost of .08 per plate. Click Here to view Standard Screen Print Colors - (opens new window)