Features: Joint finger rings with 5 different styles,you can have 5 rings and wear them together or individually. Retro geometry ring set made of high quality alloy,excellent product give you a better wearing experience. Stackable ring sets inside diameter is 1.6cm to 1.9cm(ring size showing in the picture)Free size for women and girls. Gold joint knuckle rings is great gift for yourself,women,wife, girlfriend,daughter,girls,teen,friends on Christmas,Birthday, Valentine's Day,Anniversary,Graduation, etc If you have any questions about the product, please feel free to contact us. Quality customer service is our top priority. Package Includes: 5 PCS x Combination Ring Specifications: Color:Gold Material:Iron Alloy Size:16mm/0.62in/ 16.5mm/0.64in/ 19mm/0.74in note: Please allow a little error on the size due to manual measurement. The color might exist slightly difference due to different displays.