Libbey Pedestal Irish Coffee Mug 8.5oz Set of 4 Made of clear glass. Libbey #5292 Capacity: 8.5 oz Great for coffee, Tea, Hot chocolate, or any of your favorite hot drinks. Dimentions: Height: 6-3/8"Top Diameter: 2-3/8" Bottom Diameter: 2-3/4" Maximum Diameter: 3-5/8" Dishwasher microwave safe.