High quality material: this ring is made of cubic zirconia, which is sweet, delicate and comfortable to wear. Let you have a good mood every day. Rainbow Tourmaline Ring-----------Unleash the healing power of nature with a crystal quartz ring Helps realign energy channels and helps the body to heal itself. Titanium ions can help relieve anxiety, depression and insomnia. Wearing performance: use this beautiful accessory to improve blood circulation, relieve stress and improve sleep. This magic ring promotes health and balance in your life. Adjustable size: made of high quality stainless steel and natural tourmaline, the ring size is adjustable, this stunning ring promotes health and balance in your life. Ideal gift: The crystal quartz rainbow ring is a special gift for women, girls, mothers, daughters, friends, couples, sisters or family members. You can wear your ring on any occasion.