BMC 8 pc Silver Colored Stainless Steel Multicolor Faux Gem Rhinestone Stud Round Barbell Earrings Design: Round barbell earrings with a faux gem on the face surrounded by tiny clear rhinestones. Size: Rounds have a 8 mm diameter. Bars have a length of about 7 mm. Material: Stainless Steel and rhinestone gems. Color: Polished silver with multicolored faux gems and clear rhinestones. Closure: Post with screw on faces.