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 17 cm (stretches) Four Gods Carved Crystal 12mm Gold Citrine 10mm Hematite 10mm Rondel [Seiryu (Azure Dragon)] Business prosperity, gaining immense wealth. It is said to lead to success, promotion, and wealth. [Byakko (White Tiger)] Keeps a watchful eye to prevent the escape of fortune and ward off bad luck. It is said to lead to fertility and safe childbirth, as well as family safety and business prosperity. [Suzaku (Vermilion Bird)] Said to ward off evil and bring peace and good fortune. It is said to illuminate the land and lead to comfort and family prosperity. [Genbu (Black Tortoise)] Brings prosperity and longevity. It is said to protect from private problems such as human relationships and family. Gold Citrine is a stone that holds the light of the sun within. It symbolizes brightness and cheerfulness and has a very positive nature. It alleviates negative emotions and gently soothes the heart. Because it fosters a feeling of self-love and self-care, it allows you to have bright and positive thoughts. *Because they are natural stones, the colors and patterns may vary. *Colors may differ from the actual product due to lighting. In addition, natural materials may have cracks and inclusions. Please understand this beforehand.