This set includes eight vintage STP oil treatment advertising drinking glasses, each with a capacity of 1 and 3/4 cup. Made of clear glass and featuring a decorative STP Oil theme, these glasses are dishwasher safe and suitable for all. These drinking glasses are perfect for adults who appreciate retro collectibles in their kitchen or dining area. Great for the Man cave Ideal for both display and practical use, these glasses offer a unique addition to any home bar or table setting. Each glass is a little bit different. Some look like they have motor oil on them. That is the way they are made. Please look at the pictures in the listing to see any flaws you may see. They are in really good condition.