Butterfly Pendant Necklace Dainty Necklaces For Women Avoid exposure to chemicals Don't wear it in the bathDo not wear in a bath Should not be worn when sweating in sports Avoid contact with sharp objects Do not wear it when you sleep it is not real gold and silver products are fading,but it is to maintain its time. liquid will encounter discoloration for a long time. and even the oxygen in the air will oxidize them, it is easy to cause to fade Especially in the summer