Quantity: 5 Pairs (As Shown in Picture) Material: 925 Sterling Silver ( Safe for sensitive ears ) Type: Ear Studs Earring face : 9mm x 5mm, 11mm x 9mm, 8mm x 8mm, 8mm x 5mm, 8mm x 8mm conversion : 1 inch = 25.4mm or 1mm = 0.0393 inch