1.simple and match all kinds of and small projects. Great workmanship with the ring, surface and edge, will not scratch your hands and stuffs.2.that will meet your needs for daily use or craft projects.3.Easy to use- Each key ring chain comes with a separate jump ring,you 't have to put extra effort to open connect something on it.4.Multipurpose- It's practial for making key ring pendant,bags pendant and other accesspries. You can use your to DIY your own keychain, make pendant for phone, bag, purse,etc.5.Suitable , car, office attachment and DIY accessories; Use to organize small keys, hang cards, ID tags and other hand tool, make arts and crafts project, etc.colour:SilverMaterial:ironsize:Ring diameter:25mmchain length: 22mmjump ring diameter : 8mmPackage Contents:200 * key rings with chain200 * open jump ringOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.