Corelle Stoneware Mugs in Grey , set of 8 12 oz. All excellent condition! Introducing the Corelle Stoneware Mugs in Grey! This set of 8 mugs are made with durable stoneware that's perfect for everyday use. With a 12 oz capacity, you'll have plenty of room for your favorite hot beverages. Plus, these mugs are in excellent condition, ensuring long-lasting use. Upgrade your morning routine with these stylish and functional mugs.