Flat Round Earrings: The earring stud designed in flat round style, simple but beautiful. Bright rainbow color is a good choice for your daily use, great for various handicrafts. 2 Sizes Available: These earring studs are available in 3 sizes, aprrox 10mm, 8mm and 12mm in diameter, each size is about 1mm thick, 1.5~1.6mm hole, 0.8mm pin. Give you a variety of options. Superior Quality Material: Stainless steel material for all earrings are durable and stable, smooth surface for touch and wear, great for all sensitive ears, and good for everybody. Not easy to rust and tarnish. Easy to Apply: The metal ear studs with 0.8mm loop is very simply to DIY some dangle earrings, easily attach your jump ring, chain, small pendant or any other jewelry accessories. Wide Usage: These earrings findings allow you to DIY your earrings and send them as a noval gifts for your best friend, lover, family member and holiday gift like Christmas, Birthday, Mothers Day, Thanksgiving and so on.