size info EU 47 (ISO / International standard) - US 4 - JP 7 (Diameter = 15 mm) EU 49 (ISO / International standard) - US 5 - JP 9 (Diameter = 15.7 mm) EU 51 (ISO / International standard) - US 6 - JP 11 (Diameter = 16.3 mm) EU 53 (ISO / International standard) - US 7 - JP 13 (Diameter = 17 mm) EU 55 (ISO / International standard) - US 8 - JP 15 (Diameter = 17.7 mm) Thank you very much for seeing it. This ring has a texture on one side and a pattern on the other side to finish it into a mirror finish, I made it femininity and a noble atmosphere feeling. This is orders production. Please acknowledge that we have received 3 to 5 schedule production periods. We pay close attention to the production, but because of the one-by-one handmade, detailed details may differ from the photographs. Please understand that point in advance. Material: silver 950 Ring width: about 4 mm Size: No. 15 (Please inform us when ordering the desired size. Please contact us with a message before placing an order if you would like more size. Non-returnable Plating processing is not applied for enjoying the original texture of the metal. If you want to avoid discoloration, it is effective if you gently wipe with a soft cloth after using it, store it in a bag with chuck, etc. and keep it with occasional dedicated cloth or polish powder. We are producing with consideration of strength, but since it has become delicate making, please be careful when using and storing. There is a risk of getting caught on clothes on design. Please be careful when used with delicate clothing. If you have any other requests, please feel free to contact us if you have any questions. <Prohibited matter> We reserve the right to refuse purchase for imitation by resale or sale purpose.