Portmeirion Botanic Garden Mistletoe Christmas Coffee Mug, Beaker, Set of 4 Portmeirion Botanic Garden Mistletoe Christmas Coffee Mug, English Beaker, Set of 4. Retired, Last Set Made of high quality earthenware Hand painted mistletoe and butterflies at center ringed with distinctive green leaf border Dishwasher and microwave-safe; oven safe to 340 degrees F Guaranteed for construction defects and satisfaction