This Quality Stainless Steel Band is made of Low Nickel 316L Hypoallergenic Surgical Steel, and is no different than the ones you can pay up to $200.00 for. It is little less than 3/8 inch (9mm) Wide. And is Rounded inside for a very Comfortable Fit. Two Lizards are Cut Out of the ring for an interesting Design. Sizes 7 to 14 are available.