Jewelry Maintenance: 1.Do not contact liquid like water, sweat and cosmetics 2.Do not wearing at showering, washing, swimming, sleeping, sporting; 3.Do not expose in air for long time, when not wear please put into sealed bag or box; 4.Please wear carefully, do not scrub it or make it fall to the ground. MAIHAO Service and Warranty 1.1st principle:Customer first. Contact us if you have any questions.We will get back to you in 24 hours.Don't hesitate to contact! 2.90-Day Money Back Guarantee or Exchange.Don't hesitate to buy!