This is a charm made with aquamarine (8mm), moonstone (6mm), and quartz (button cut). In addition to the lobster clasp used in the image, you can also change to an earphone jack, strap, or heart-shaped lobster clasp for an additional 50 yen. Please let me know before purchasing if you would like to make a change. *This charm is designed to be attached to zippers, etc., but please be careful as pulling on the charm may cause damage. [Size] Approximately 2cm, excluding the lobster clasp. You can also change the stones or create a charm with your preferred type, color, and stones with specific effects. In that case, the price will vary depending on the stones used, so please let me know before purchasing. We also offer a discount for bulk purchases. Motif material...Natural stone