Our brand 925 sterling silver earrings have good quality and beautiful exterior. When you wear the hoop earrings, you will be shining wherever you are.Brand: FAMOORESizes: wide 3.15inch; thickness 0.315inch Contents in this blue opal earrings:1 pair of earrings(2 pcs)Please avoid setting the earrings with chemicals,cosmetics,wine,acid and alkali etc.Avoid the chemicals and being impacted Wipe the jewelry with soft cloth Pack in black flannelette bag when not wearing Prevent tarnishing, don't use hair spray when wearing or wear it in the shower.Having any problems about the earrings hoops, please be free to contact merchant or Amazon customer service. We will solve your issue by refund or replacement of issue items and won't cause any loss to you.