Quantity: 30 pieces glossy key rings with chain and 30 pieces embossing key rings with chain and 60 pcs 8mm open jump rings, enough for crafts DIY needs .Sizes (approx.): each round split ring is 25 mm in diameter with 5 link chain totally 25 mm long link chain, the open jump ring is 8 mm in diameter .Material these key rings are made of iron with nickel plated, not rust and no fade, silver color key rings .Wide range of uses: Key rings can collect your door keys, garage keys, also can DIY accessories for all kinds of trinkets. We have prepare enough number open jump ring to meet you create .Simple to use: the keychain rings are convenient for you to collect your keys and other ornaments, easy to use and convenient to carry .