Description Our elegant and bold Eternity Chain is a necklace with a continuous pattern of a flat thick circle followed by a small oval link. It closes with the toggle clasp. To make an even bigger statement, layer the 36" length twice around the neck. Available in 16”, 18”, 20", 24", 30" & 36" lengths. See Sizing tab for more info. Size: Circle link 10 mm round x 1 mm thick, Oval link 6 mm (l) x 4 mm (w) x .5 mm (d) Elements: Sterling Silver Sizing 16" length will sit just below the collar bone on a small to average-sized woman. This may be choker length on a larger woman. 18" length will sit just below the collar bone on a larger woman. These are guidelines only and will vary based on actual neck size. Please refer to our Chain Length Guide for a visual and quick, helpful tips for length selection.