Description: Made of high quality 316L stainless steel, safety and allergy free. Rock the illusion of a seamless ring style versatile Segment Rings that easily to put on and won't easy to slip off. It features an almost undetectable seam, opening with ease and disappearing with a click closure. Screwed Rings are great for lip, nose, septum, nipple, cartilage and more. Respectively Inner diameter approx. 8mm, thickness 16g, perfect size for ear lip nose piercing. Great High Polished Surface, 8 Different Colors Can be Flled with Your Different Needs,Select the Most Appropriate Color for Yourself. Specification: Material: Stainless Steel Ring Outer Diameter: Approx. 12mm/0.47inch Ring Inner Diameter: Approx. 8mm/0.31inch Ball Diameter: Approx. 3mm Package Includes: 8 Pieces Nose Ring Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same