Nument(TM) Retro Bronze Round Large Circular Ring Metal Keychain Key Holder Key Ring with 10 Rings Keychains material: metal,Key-chain color: Bronze or cuivre, Key rings style:Large Circular Ring, Heart,string of 10 small key ring, also with a small security buckle Diameter: Large Circular Ring Approx 8cm (3 inches),Thickness: Approx 4.5mm(0.2 inches),Small key ring size:25mm Process technology:electroplate,not rust,smooth surface,Flexible, repeated use, no deformation, good recovery effect Focus on a large number of keys for classification, storage, management, use, sharing, distribution For more key design, the cleaner,locker,landlord,landlady to achieve higher efficiency, more secure maintenance,anti-lost key in school,hotel,drawer,building,workshop