Precautions: Crystal maintenance method: Try to keep it dry. Wash your hands with water and dry with a dry tissue or handkerchief. Keep it dry and sealed. Avoid chemical attack and humid environment. It is best not to wear crystals when bathing and sleeping, to avoid crystal deterioration caused by chemical substances such as thermal expansion and contraction and soapy water, and crystals are strictly prohibited from colliding. 1. Sterling silver jewelry is recommended to wear every day, because the body oil can produce a natural and lustrous luster. 2. When soaking in the hot spring, please take off the sterling silver jewelry. 3. Silver to yellow is a natural phenomenon, it is recommended to wipe the surface with a silver cloth. 4. When the sterling silver jewelry is not worn, please store it in a sealed zipper bag. 5. The best way to maintain is to wear it every day. The body oil can produce a natural lustrous luster.