The Mainstays Stackables Red Coffee Cup Mug Stoneware is a round coffee mug made of stoneware with a shiny red finish. It is designed for all occasions and features stackable convenience for easy storage. This original coffee mug has a diameter of 3.75 inches and a height of 4.25 inches, making it a versatile and dishwasher-safe addition to any kitchen or dining area. Made in China, this coffee mug is a practical and stylish option for your morning beverage.