What are the Pros and Cons of using Sign Frames v. Self-Adhesive Graphics ? You may be just starting out or a seasoned graphics, sign or marketing pro, so if you have any questions, feel free to leave them in the comments below. First, the basics. Outside bus and transit advertising is generally divided into one of two types : Self-adhesive graphics printed on vinyl, or printed signs on rigid panels in a sign frame. Whoa- aren't sign panels and frames from the 1960s? If Ad Frames are so "60s" why would anyone want to use sign frames? Yes, metal sign frames have been a low-tech solution used on city buses and trolleys since the 1960s- that's half a century ago. Full-wrap graphics WITH a changeable frame Here are the pros and cons of these two ad systems. Self-adhesive graphics: This is usually printed vinyl with a removable adhesive backing Pro: May be applied to almost any smooth and clean non-porous surface. Surfaces must be non-porous beca