This is a bracelet for healing and restful sleep. Seraphinite (Russian)... We have selected Seraphinite with beautiful feather patterns. It brings peace to the heart and enhances cooperation and communication skills. It has the power of gentleness and healing, and enhances the energy of love. It calms the nerves and brings composure. Aventurine (African)... This is a beautiful Aventurine with a deep green color. A stone of healing and harmony. It reduces stress and anxiety, and supports mental stability by bringing out a calm feeling. It also has the power to improve financial and health luck, and improve fortune. It is said to be a stone of relaxation, and it balances the autonomic nerves, calms irritation, and brings a peaceful and stable feeling. White Moonstone (Tanzanian)... This is a very beautiful moonstone with a clear sheen. It is said to have the effect of relieving stress and anxiety, and promoting restful sleep. Crystal (Brazilian)... This is a beautiful crystal with no inclusions. It is a versatile stone with effects such as warding off evil, fulfilling wishes, purification, developing the sixth sense, improving concentration and judgment, and refreshing. It activates and brings out the effects of other power stones. Material...Natural stone Stone diameter...Approximately 10mm Inner circumference...15.5cm Color...Green系 (Green-based)