Hypoallergenic Material - These studs are made of high quality stainless steel. Nickel-free and lead-free, anti-rust and anti-corrosion, to ensure long-term use. Packaging and Size - 40 Piece Men's Women's s. All s are 20G gauge (0.8mm) with an 8mm inner diameter of the hoop. All nasal piercing kits come in 20G gauge (0.8mm) and are 7mm long. FASHION JEWELRY - These s and nose studs are elegant and sophisticated for everyday life and parties. Wearing these s will make you more attractive and attractive. These safe and comfortable s are suitable for both women and men. MULTIPLE USES - These s can be used as earring hoops, lip rings, cartilage earrings, diaphragm rings, nose studs and many more body jewelry. You can wear these nose piercing jewelry for different occasions like birthday parties, graduations, masquerade and any other occasions. We only sell sets, not other items in the picture. Due to the differences between different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight size errors.