【Product Description】 Genuine Leather: Tochigi Leather Company Thickness: Approximately 2mm The ring size will vary depending on the leather thickness. Please understand this as a general guide. Hand-cut and hand-stitched. This leather allows you to enjoy the aging process. Hand-stitched leather uses waxed thread. This thread is coated with wax and is not easily cut. The final knot is sealed by melting the wax with heat. This may cause some blackening. Are you with metal allergies looking to enjoy ring fashion? There may be some size variations. Material... Genuine leather #ring #rings #TochigiLeather