Set. At a large 20 ounces, these mugs can hold more than your average cup making it perfect for those who just can't get enough of their morning coffee and tea. Made of durable stoneware with a gorgeous black matte finish, the mugs look great in any kitchen and each mug has a unique interior color of red, blue, green, or yellow. They are dishwasher and microwave safe so they're convenient for everyday use. If you need a large serving of your favorite beverage, add these great large mugs to your drinkware collection today!