3 Sizes Available: About 4.9-12mm in diameter, 2-3.8mm thick, inner diameter: 2.9-10mm. The ends of these rings are tightly closed but not welded. They are easier to close, and the ends can be rematched together. Color and Quantity: These rings are with 2 colors, golden and stainless steel color, each color has 3 sizes, 20pcs each size, in total 120pcs rings in the package, sufficient quantity for your jewelry making. Great Material: Made of high-quality 304 stainless steel material, it is not easy to rust and fade, durable, and can be used for a long time, make your jewelry design look more beautiful. Wide Usage: Perfect for making jump ring necklaces, bracelets, anklets like our picture shows, also suitable for making outstanding jewelry or mail armor. Suitable for All Occasions: If they are used on pendants, earrings, clothes decoration or other decorations, that is awesome. Ideal design is great for your personalized embellishment.