If you have a desired inner circumference, please be sure to let us know before purchasing. It will be an additional 50 yen for every 1 cm increase. Reducing the size is free. Inner circumference: Approximately 16cm (stretches) Engraved Four Gods and Beasts Crystal 12mm Turquoise (composite) 10mm Rondel *The number of stones varies depending on the size. 【Crystal】 Crystal is a versatile stone. It is the basic of all power stones. As you can see from its use in purifying power stones, it has a very strong purification effect. It can absorb and purify negative energy for not only power stones but everything, bringing it to a pure state. Placing a crystal in your room as an interior decoration will also purify the space. It is especially effective when placed in places with a lot of people coming and going, such as the entrance. Of course, it also has healing power for the mind and body. It affects the mental aspect, but especially affects the human immune system, repelling negative energy from the outside and maintaining a healthy state. In addition, it has the function of activating vitality, so you can get a healthy and vibrant beauty. 【Turquoise】 Turquoise is a power stone filled with bright and vibrant vibrations, like the color reminiscent of the clear, blue sky. It repels negative energy and wipes away depressed emotions. It is a presence that gives stability and moisture to the heart, like water seeping into dry land. It also gives courage and initiative, so it will be the best partner when starting something new, pushing the backs of those who tend to be timid, and taking a step into a new world. *Because it is a natural stone, the color and pattern may vary even for the same stone. *The color may differ from the actual product due to lighting. In addition, it may contain cracks and inclusions unique to natural materials. Please understand this beforehand.