This set of four Corelle Shadow Iris Floral coffee and tea mugs are a vintage original from 1986. The mugs are made of Pyroceram material, making them break and chip resistant. The glossy finish and shadow iris floral pattern make these mugs a beautiful addition to any occasion, whether it be casual or formal. The mugs have a diameter of 3 1/4" and  and length with handle approximately 4 1/4" a height of 3 1/2". They are dishwasher safe and have been produced using a fused glass technique. These mugs are perfect for any contemporary style and would make a great addition to any mug collection.