This listing is for a vintage paper advertisement. This is a 1990 ad for a U.S. Auto Tech Slick 50 Engine Treatment! The size of the ad is approximately 8x11inches. The caption for this ad is 'Exciting new lab tests confirm Slick 50's benefits! Save gas, save engine with Poly' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collection today!