LIMITED STOCK. Millefiori means """"thousand flowers"""" in italian. This intricate glass making technique originated in ancient Rome and was perfected by Venetian artisans. These LIMITED STOCK. Millefiori glass donuts have a round smooth shape and a large center opening. Each donut exhibits a pattern of colors based upon the glass canes used. They work great as a focal point, or as connectors in your designs. Since each bead is LIMITED STOCK. Made individually, natural variations in color, shape and size may occur.