In 1978 - McDonald's, Anchor Hocking, and artist Jim Davis teamed to produce these glass mugs. Saying #1 - Use your friends wisely. Saying #2 - I'm easy to get along with when things go my way. Condition is great and colors are clear. No chips or cracks. Measures 3 1/2" tall x 3" diam. Buyer is purchasing both vintage mugs.