The Be Happy Set of 4 Stoneware stackable coffee mugs in a metal stand is perfect if space is tight on your kitchen counter or kitchen island. Each mug holds a maximum of 15 ounces and measures 3.74" tall and 3.75" in diameter. Including the handle, the mug is 5.25" wide Finished in a beautiful, matte black glaze, each mug has a positive message inscribed into the design on two sides of the mug. This set will make a perfect housewarming or hostess gift. Each mug is easy to clean and dishwasher & microwave safe. To clean to the metal rack, just wipe with a damp sponge.