Use high-quality materials to make be sure your fingers without turning green. Each ring have five beads with same color for the ring. Color options; SILVER is made of sterling silver, 14K GOLD and ROSE GOLD are use gold filled materials. Each color has THREE size choices. SIZE ADJUSTMENT RANGE: S = 3US ~ 6US. M = 6.5US ~ 9US. L = 9.5US ~ 12US. Any questions please ask us.