Description: Material: stainless steel,Acrylic Size: 10mm (Diameter), Pin Thickness: 1.0mm (18Gauge),length:14mm Multicolor Barbell Stud Earrings for women men Suitable for all kinds of occasions in daily life The middle of the needle is stainless steel, they can be used by most of people Package Includes: 16 Pieces Ear Studs