Use Plastic Key Fobs as a cost-saving ad that keeps your informatin in the hands of customers. Print your logo in vivid colors. Customize your key fob with your hours and phone number. Printing one or both sides. Poly-Ad Key Fobs printed on 55 mil White polyethylene with heavy-duty key rings attached -- no bleeds. No art charge for most designs. Full Color Digital Printing Process. Production time approximately 2 weeks after proof approval.