Package: 8Pcs nose rings hoop and 20Pcs nose studs in a Set,As the picture shows Size:All Gauge--20G(0.8mm);Bar length:7mm; Inner dia.:8mm-10mm Material: 316L Stainless Steel, hypoallergenic, completely non-corrosive, lead and nickel free. Also resistant to acid, alkali, no fading, no distortion, suitable for sensitive body These body piercing jewelry set is adorable for women and men. Easy to insert and take off General Size for Wearing,Suit both Men and Women.