I strive to make our transactions pleasant, so please read through everything carefully and consider before making a purchase or inquiry♡ ✄╶ ╶ ╶ ╶ ╶ ╶ ╶ ╶ ╶ ╶ ╶ ╶ ╶ ╶ ╶ ╶ ╶ ­­╶ ╶ ╶ ╶ ✄ The base inner diameter is 16. Only size adjustments down to 13-16 are possible. If you need a size larger than 16, please confirm if it's possible before purchasing m(_ _)m I post videos on Instagram ▶︎ ichigohime__ Please read my profile before purchasing. I do not accommodate metal allergies, but if I have the stone in stock, I may be able to remake the item without the metal parts, so please check before purchasing ( ´._.`) As these are completely handmade, please understand and purchase accordingly. ※ Please confirm the images carefully and make your own judgment. If you have any questions or concerns, please ask before purchasing. Returns, refunds, and exchanges are not accepted after arrival. I make these by hand! Please understand. If you are looking for perfection, please purchase from a shop. (※) The price includes shipping, packaging, and handling fees. I do not understand requests for bulk discounts based on the shipping cost, so I will decline them. (※) If you would like a discount or a discount for multiple purchases, please leave a comment before applying. Otherwise, I will decline. Please also read my profile (♡ᴗ͈ˬᴗ͈) I do not accept custom orders, only size adjustments.