●Size: about 4~10mm in diameter, 1~1.3mm thick. 6 mixed sizes meet your jewelry making needs. ●Jump rings are used as a connector where a single ring is desired. Widely used on jewelry making, arts, crafts, DIY and so on. ●Professional looking jewelry, affordable way to get great style. ●Plastic Box Set is included, also help you easy to store the jump rings. ●Please Note: The color may be slightly different from the picture because of different display device.