These are a very nice McDonald's Promotion Flint Stones Pre Dawn Qty 1 Mug Made In USA 1993?. They are 3 1/4 inches high and 4 12 inches wide.They look like it is cut glass. Has a beautiful Bone Handle. They are back stamp, Pre Dawn Mug, The Flintstones, Made In USA, 1993,McDonald's Corp, OUCS and Amblin, TM H-D Inc. Does have wear from age and use. Gently Use. Needs cleaning if you wish. A wonderful  McDonald's Promotion Flint Stones Pre Dawn Qty 1 Mug Made In USA 1993 for your Collection, Display, and Use.