The dark, vibrant blue of these 4mm cobalt luster iris druk beads is complemented nicely by an iridescent finish, which adds touches of warmth and color. Use these beautiful 4mm beads as spacer beads in your jewelry or try stringing them together with other dainty items for a delicate design. These beads come in a pack of 100. Czech glass druks are round pressed-glass beads made in the Czech Republic. These beads are still made in small quantities by hand. Be sure to explore the rest of our Czech druk beads for other colors, sizes and finishes.