You are looking at a Sterling Silver double link chain bracelet. This type of bracelet is commonly used as a charm bracelet, though it can also be worn plain, without any charms. Each link in the chain is a double ring.
This bracelet is 7 inches (17.8 cm) in length and 1/4 inch (6mm) wide. The clasp is a box and tongue clasp. There is a small safety chain at the clasp as well. The clasp bears a makers mark, but I am not familiar with the marking shown, as well as the word "Sterling" identifying the piece as Sterling Silver (.925 fine). This bracelet weights 8.4 grams.
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This item is for Action on eBay now, and the auction will be completed December 17, 2012.