Set in sterling silver Approx. length: 24"; approx. width: 5mm Lobster clasp closure; rounded box link chain Sign up for Macy's WorryNoMore® Jewelry & Watch Protection program within 30 days of your purchase. Call Customer Service at: 1-800-BUY-MACY (1-800-289-6229), use Macy's Chat function or visit any Macy's store with your dated online receipt Photo may have been enlarged and/or enhanced. Financing & WorryNoMore Protection Program Terms For Fine Jewelry Online Jewelry Repair Get day to night style with the smooth sleek lines of the rounded box link chain from EFFY.