The 1993 McDonald's Flintstones Rocky Road Mug is a collectible advertising item featuring a clear pebbled glass design inspired by the Flintstones cartoon series. This original promo item from McDonald's showcases the fast food chain's tie-in with the popular animated show, making it a unique and sought-after piece for collectors of restaurant memorabilia. Made in France, this mug serves as a nostalgic reminder of the Flintstones themed promotion, adding a touch of vintage charm to any collection of McDonald's merchandise.