ESCU Women's Fashion Jewelry Ring Hexagon Prism Crystal Healing Point Chakra Gemstone Adjustable Rings,2pcs Material Style 1:Natural Amethyst/ Pink quartz/ / Tiger Eye/ Green Aventurine+Alloy Material Style 2:Synthetic Lapis Lazuli/Glass Crystal/Opalite/Black Agate/Blue Sandstone/Blue Turquoise +Alloy Size: 27*9*8-31*9*8 mm 2pcs in package