Roller Beads are smooth round beads with large holes. The hole size is approximately 4mm. The colors in the mix are Crystal, Sapphire, Aqua, Emerald, Amethyst, Light Amethyst, Citrine, Hyacinth, Topaz, and Light Siam. These beads are particularly popular amongst Native Indian crafters and are also commonly used as beads in hair. Made in the Czech Republic, roller beads are the new, modern version of the crow beads. Sold loose.