Magical color meets unique design in the CzechMates glass 6mm tanzanite Iris two-hole triangle bead pack. These small Czech glass beads are triangular in shape and feature two stringing holes on one side. The stringing holes will allow you to add these beads to multi-strand designs or innovative seed bead embroidery designs. You'll love the dimension these beads bring to designs. These beads feature purple color with a magical iridescence.