Czech glass SuperDuo beads are the hottest thing going in the world of seed beads these days! Measuring 2.5mm by 5mm and having 2 holes makes them perfect for creating interesting patterns in shapes in woven jewelry designs. SuperDuos are pressed glass beads that are uniform in size and shape. They are colored glass beads that come in a variety of different coating options. Be sure to "Czech" them out and see how they inspire you!