Any birthday girl would be proud to drink her favourite drink from this stylish birthday mug it features a vintage key design with happy 21st text and her name on the front with a personal message on the back it is sure to bring some smiles in the home or in her work when she takes her tea break this mug can be used for many years to come so she can stay or pretend she is 21 forever material ceramic dimensions 9cm tall hand washing is recommended