Features 1、Spring Opening: These round spring keyrings adopt spring opening design that makes these rings easy to use and the secure closure ensures that your belongings stay safe. 2、Diameter and Size: Each round carabiner is approximately 1.57in in diameter and 0.2in in thickness, the proper size and weight fit for various aspects, easy to use and operate. 3、Wide Application: These spring O rings are are ideal for necklaces, bracelets, purse, key ring, luggage bag, exercise band, dog leashes, webbing and lanyard, also can be used to extend the strap on your hand bag and shoulder bag. 4、20 Pieces: 20 pieces of round snap clips are packed together, which can meet your different demands. Simply push on, the quick connect and release, round carabiner clips are very convenient to use. 5、Strong Copper: These spring buckles are made from premium copper material in high strength, which is shiny, not easy to fade and resistant to rust and wear. Specification Item Type: Spring O Rings Material: Copper Quantity: 20 Pieces Product Size: Approx. 40 x 30 x 5mm / 1.57 x 1.18 x 0.20in ( Manual Measurement, Slight Error May Exist ) Package List 20 x Spring O Rings