18K Gold Non-Tarnish Layered Astro Chain Necklace 18K Gold Plating Stainless Steel Rhinestone Pendant Size (inch): 1.78 x 1.18 #1 Chain Length (inch): 16.5 #2 Chain Length (inch): 14.9 Extension Length (inch): 1.96 - Lead and Nickel Free - Hypoallergenic - Water Resistant