Material: Metal Size:10mm thickness:1mm Total: 50/100/200/300/500pcs Color:16 Colors or Mixed Color(Choose the color you want,Mixed colors are random colors) I have a large stock, please feel free to contact me Friendly Tips: The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors Jump Rings, 50-500Pcs Mixed Color Open Jumprings, 10x1mm Metal Rings, Link, Connector Rings, Earrings Jewellery Findings