40 years of doing anything is bound to work up a bit of a thirst. Good thing we\'ve got just the way to satisfy it This 40th Birthday Mug! Made from bone china and holding 11 Oz, this is a great mug to use to relax with a calming cuppa. It\'s perfect for marking a 40th milestone, whether that\'s a birthday or the number of marketing cold calls answered in a row. So, make that occasion special with this 40th Birthday Bone China Mug! | 40th Birthday Bone China Mug