US Jewels And Gems Women's 0.925 Sterling Silver St Christopher Round Antique 0.75" Pendant Necklace 18" to 24" Length MADE WITH 0.925 STERLING SILVER: Our premium quality pure 0.925 sterling silver provides a top quality shine and durability. SIZE AND MEASUREMENTS: Medal pendant is 20mm in length and 20mm in width. Size comparison  US Dime: 17mm, US Nickel: 21mm, US Quarter: 25mm. Take a look at the sizing image for more details. CHOICE OF CHAIN: Our pendants comes with your choice of a sterling silver 1mm, 1.5mm, 2.3mm, 3.3mm rope chain, a 1.5mm, 2.2mm box chain, a 2.0mm curb chain, a 1.5mm bead chain, a 1.8mm, 2.3mm Figaro chain or a 3.3mm cable chain in either 18in, 20in or 24in sizes. (Custom lengths are available upon request). All chains are made of solid 0.925 sterling silver with a coat of anti-tarnish rhodium plating applied to ensure the highest quality and the longest lasting endurance possible. MADE IN USA CUSTOMER SATISFACTION: 100% customer satisfaction is our # 1 priority and we fully stand behind every product we sell. If you simply do not like the item for any reason, we provide a hassle free 30 day return policy and 100% money back satisfaction guarantee. If you return it for an exchange instead of a refund, we offer a 10% discount along with free US shipping.