SIZE: 3.5" DIAMETER, WITH 1.5" OPENING STONE: AMETHYST THESE CUFFS ARE HARD, NOT FLEXIBLE AT ALL. TO PUT THE CUFF ON YOU MUST PUSH THE OPENING INTO THE MEATY PART OF YOUR WRIST AND WRAP IT AROUND THE WRIST.CUFF LOVE 2 ~ AMETHYST$180.00PriceOut of Stock