STURDY MATERIAL - O ring clip is made of durable zinc alloy, multilayer electroplating surface, polish nickel plated, anti-rust, anti-corrosion, not easy to fade.SNAP HOOKS SIZE - Gold ring keychain outer diameter 41mm(1.61inch), inner diameter 31mm(1.22inch), spring O ring is 5mm thick. 10Pcs round snap hooks included.WIDE APPLICATION - Round clips can be used for key ring, dog leashes, luggage bag, exercise band, webbing, decorations, strap extender of your hand bag, shoulder bag or cross body purse.EASY TO USE - Gold key ring clip design is easy to open and close, simply push on, quickly connect and release, can be used with most handbag knapsack key rings.USEAGE NOTE - These Gold carabiner keychain round carabiners can not be used for some intense exercise such as mountain climbing or holding your boat to the mooring line although it is strong enough.