Our new BILLBOARD SUNGLASSES utilize proprietary high speed technology to print on specialized vinyl material impregnated with vision holes and then applied to the lenses of any of our 60 types of sunglasses. The proper logo on these makes for an awesome presentation. For the best results the logo should be as large as possible since small copy may not be legible or show at all. Due to the nature of the holes in the vinyl no two sets of lenses are exactly the same