Coolrunner Stainless Steel Mixed Color Front & Back Earrings Ear Studs Earbobs Ear Clips 3 Pairs Colors: Golden, Ironcolor and Black. Product Materials: High Quality medical stainless steel. Anti allergy. Don't inflammation, not allergic. Three pairs of Earrings as pictured will be included. (There may be some color difference) 3mm (Spike and Ball), 4mm (Screw Ball), 6mm (Pin Length), 1.16mm / 18 Gauge (Pin Thickness) Fashion charm earring stud, perfect gift for ladies, girls, girlfriend, lover, wife and yours. It could be worn in any occasions and it makes you eye catching.