Blue Lace Agate size... approximately 21 x 16mm The design allows you to easily restring the elastic yourself if it breaks. ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ ❁ Each item is carefully handmade, but due to the manual process, there may be slight imperfections or variations in the arrangement of components within the same product. Please understand that this is a handmade product before purchasing. Therefore, we kindly request no claims or returns for transactions. ❁ The color of the product in the photos may differ slightly from the actual product due to the shooting time and natural light conditions. ❁ We generally ship via standard (unregistered) mail. Please note that we are not responsible for any postal accidents. We also accept changes to Mercari shipping; please feel free to contact us if you wish to do so (the type and additional fees will vary depending on the stock of dedicated envelopes, stickers, etc., so please inquire each time). Materials: Metal, vintage glass