Spode Blue Room Annual Plate & Mug Set - Santa's Big Day - The Busy Workshop This whimsical series was initially introduced in 2005. Produced in the signature Spode colourway, blue and white. Produced in imperialware which is a durable body suitable for everyday use. Dishwasher and microwave safe. Plate 8- 1/4 inch and Mug 9 ounce