Moomin mug 0.3L, Sleep well in the True to the Origin series The mug is part of the "True to Its Origins" series, based on Tove Jansson's latest Moomin novel "Moomintroll at Sea". The style of the illustrations shows Tove Jansson's exceptional ability to express moods and deep emotions with simple drawings. In the illustrations on the mug, Moomintroll takes his family to an island with a deserted lighthouse. His tired family arrives on the island in the dark, so he sets up a tent on the beach to spend their first night. Moomintroll stays up all night with only the ocean and a storm lantern for company. Material: Porcelain. Care instructions: Cold, microwave, oven and dishwasher safe.