I purchased this from the power stone shop STAR MOON in Miyajima a few years ago. It's a travel amulet and a bracelet for happiness. I collected several, put them in a collection case, and stored them after trying them on. I occasionally cleansed them by bathing them in moonlight on the full moon. Natural Stones: Aquamarine Pearl Turquoise Crystal Moonstone Effects: Protective amulet Women's happiness Positive mindset It was written on the item. I bought it for about 10,000 yen. Inner diameter...16cm Please understand that it has been stored at home. If you like it, please consider purchasing it.