Hypoallergenic Material: Nipple Bars are made of high-quality stainless steel with hypoallergenic technology, smooth surface, comfortable to wear, and will not rust. Wide ApplicationThese nipple rings can be used not only as straight barbell nipple rings nipple piercing bar, nipple rings hoop, but also as tongue rings, cartilage rings, earrings and other body parts piercing jewelry etc. Delivery Quantity: 8pcs, Package Contents: Only the above package contents, excluding other products. Size: all size (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: silver (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)