Ad Majorem Dei Gloriam - AMDG - is a phrase attributed to Saint Ignatius of Loyola meaning For the Greater Glory to God. Saint Ignatius believed that all things - from serving in church to work in the marketplace or home - can and should be done for the greater honor and glory to God. This mug is made of BPA-Free plastic exterior and features stainless steel interior and comes with a sealable lid.