The product is a 1993 Flintstones Movie McDonald's RocDonald's Rocky Road Glass Mug featuring branding from McDonald's. The mug is clear in color and is part of a collectible advertising item from the fast-food chain. The theme of the mug is related to restaurants and fast food, specifically tying into the promotion of the Flintstones movie at the time. This vintage McDonald's glass mug is a sought-after item for collectors of McDonald's memorabilia.