The Corelle Dark Brown Stoneware Coffee Mugs Tea Cups Set of 6 features a chocolate pattern on glossy brown stoneware. These vintage mugs, produced by Corelle, are machine washable and have an impressed backstamp. Standing at 4 inches tall, these original six-piece coffee mugs are perfect for all occasions and suitable for both unisex adults. The stoneware material and pottery production style make them a durable and stylish addition to any kitchen or dining room.