Tanssi Product Family By Klaus Haapaniemi for Iittala (Mug) Designed by Klaus Haapaniemi on a form by Heikki Orvola for Iittala Inspired by The Cunning Little Vixen, a Czech opera which is a sad yet beautiful story of the co-existence of animals and humans and the eternal cycle of life. Dinnerware is Freezer, Oven , Dishwasher, and Microwave Safe 13.5 ounce capacity.