The female runner necklace is made of solid sterling silver. The runner necklace comes with various chain options: 18", 20", 24". The pendant is 21mm, about the size of a nickel. The runner design is blackened so that the silhouette of the athlete stands out against the silver background. The back of the medallion has space for an engraving and features our signature logo, the barbell. The female runner necklace is designed and made in NYC.