The Onyx Coffee Lab Cork Bottom Coffee Mug is a rare and sought-after piece, featuring a round shape and a large 22 ounce capacity. With a beige color and made of cork, ceramic, and porcelain, this retired design is perfect for collectors of unique dinnerware. The hand wash only care instructions make it easy to maintain, while its size of 5.75" in height and 3.5" in diameter ensures a comfortable grip for enjoying your favorite beverage.