Fiesta Shamrock 453 10-1/4-Ounce Mugs, Set of 4 Set of 4 mugs measuring 4-3/4 by 3-1/2 inches and holding 10-1/4 ounces each Chip-resistant vitrified china provides enhanced durability Lead-free, nonporous glazing in festive colors for mixing and matching Safe in the microwave and dishwasher Circular-shaped handle; ideal for hot drinks and soups