The 1994 McDonald's Flintstones "Mammoth Mug" Textured Glass Mugs Lot of 3 is a collectible set of clear glass mugs featuring a textured design that mimics the appearance of mammoth bones. Released as part of a promotion for McDonald's in 1994, these mugs were created in France and showcase the theme of restaurants and fast food advertising. Perfect for fans of McDonald's or collectors of vintage memorabilia, these unique mugs offer a nostalgic piece of fast food history.