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. Since we have put some patterns here, you can change the impression by changing the position by rotating. With a clean form, you can enjoy it in various scenes and fashion. This is orders production. Please acknowledge that we have gotten 5 to 7 schedule production period. 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 top width: length) About 19 mm Size: 7 to 15 (Please contact us before ordering if you wish to have a size of 15 or more.Small sized size will cause impossible due to the design.Since it may not be possible to answer your request, If you wish, please contact us with a message before ordering.) 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.