Exclusive to the Moomin Shop, The design have been inspired by original Tove Jansson drawing. Ideal for children or adults, this mug can be used both indoors and out due to them being constructed from Enamel. These mugs are excellent for outdoor picnics and camping adventures. Enamel is a lightweight material that has been proven safe for food and drink. An ideal gift for any special occasion, this mug will stand out both when in use and when not.