PRODUCT DETAILS: Composition: Stainless Steel; 18k Gold Plated, Non-Plated (silver tone) Measurements: Ring Width - 11mm Stone Size - 9mm (Mother of Pearl, Black Agate, Green Jasper) CARE GUIDE: Hypoallergenic, 100% water proof jewelry that you can wear without a care! Wear it in the bath, shower, rain, snow, hurricane, pool, ocean or planet mars. Plated using an environmentally friendly process - wear it without any guilt!