size info EU 47 (ISO / International standard)-US 4-JP 7 (Diameter = 15mm) EU 49 (ISO / International standard)-US 5-JP 9 (Diameter = 15.7mm) EU 51 (ISO / International standard)-US 6-JP 11 (Diameter = 16.3mm) EU 53 (ISO / International standard)-US 7-JP 13 (Diameter = 17mm) EU 55 (ISO / International standard)-US 8-JP 15 (Diameter = 17.7mm) Thank you very much for seeing it. This ring is a hard design that takes advantage of the natural form of seagrass, but with round nails, a textured frame, arms finished like polished glass, and a clean feeling that adds femininity everywhere The finish feels soft. * Sea glass or beach glass is a piece of glass found on the shore or on the shore of a large lake. It is crumpled by the waves and becomes a small piece with a corner, giving it a frosted glass texture. It is also a hobby as a collection. This is a made-to-order production. Please allow 8-10 days for the production period. Although we pay close attention to the production, the details may differ from the photos because they are handmade one by one. Please note that point in advance. Material: silver950 / Seagrass Size: 7-15 (Please specify the size you want when ordering. Since there is a ring width, we recommend purchasing one size of the size that is usually used.) Ring width: about 15mm Non-returnable Plating is not applied to enjoy the original texture of the bullion. If you want to avoid discoloration, wipe it gently with a soft cloth after use, store it in a bag with a zipper, etc., and sometimes clean it with a special cloth or scouring powder. At that time, please be careful not to attach the polishing powder to the seagrass. Although it is produced with consideration for strength, please note that it is delicate. Because we use seagrass, there may be fine scratches and chippings derived from nature due to aging. please note that. Please be careful when using or storing, as dropping or hitting may cause scratches or chipping on the seagrass. There is a risk of getting caught in clothing on the design. Please be careful when using in combination with delicate clothing. If you have any other requests or questions, please feel free to contact us. <Prohibited matters> Purchase for imitation by resale or sales purpose is strictly prohibited.