Comes with 50pcs sliver and 50pcs gold key chain rings,50pcs sliver and 50pcs gold open jump rings. Material:metal Approx 25mm in key ring,with gold and silver color as the picture show Flat key rings with chain are made of premium metal,sturdy,durable,smooth and multi-used.Easy to use and connect with other things.A great DIY accessories for you,also can be a gift. Split key ring convenient for you to attach charms,pendants,DIY resin crafts or other accessories on,easy to install to make your own DIY project simple. The keyrings are designed with chain and connectors,dont need additional parts,can be well used for making home car keychains,lanyards,gifts and art craft and DIY jewelry making crafts.