This is the "Lucky Items! Ladybug-Filled Assortment of Goods" set from Felissimo, specifically the "Parent and Child Ladybug Mugs." It's a set of two mugs, one large and one small. Although unused, it has been stored at home for a long time after purchase, so please refrain from purchasing if you are concerned. Material: Porcelain, microwave safe Size: Large - 9cm diameter, 7cm height / Small - 7cm diameter, 7cm height Thank you for looking.