Crystal Heliotrope Czech Charlotte 15/0 - The Czech 15/0 Charlotte is a true cut seed bead with a single facet that reflects the light and gives a new shine to your beaded jewelry. Made out of high-quality Czech glass, these Charlotte beads will stand out in your projects and bring extra texture and interest when you include them in your bead weaving and stringing designs. Czech 15/0 Charlotte beads come in a tube of approximately 2400.