These green beer mug beads are a fun way to add some drinking fun to your St. Patrick's day party. The green beer mug bead is the perfect size to be a portable shot glass. The beer mug bead is made of plastic and has an authentic beer mug look. Our selection of great Saint Patrick's day decorations is second to none. We have everything from the classic shamrock shapes to fun and elaborate decorations that will liven up any party.