This large stein is engraved with an original Celtic Irish Clover design with a Trinity design Center to celebrate St. Patrick's use of the clover to describe the Holy Trinity to the natives of Ireland. The Trinity knot design first appears in the historical record around 400AD when Coptic missionaries traveled to Ireland and proceeded to produce the highly esteemed Illuminated manuscripts. The engraving will not fade and the glass is dishwasher friendly and may be stored in the freezer. Dimensions : Height : 8 " Width : 3 " Volume : 26 oz.