Keep it classy with this box chain necklace of connected square links for a smooth, clean look. ?Crafted from 14K white gold that's gone through a patented hardening process, this necklace is more durable and resistant to denting, scratching and breaking. It will also maintain its consistency in color, shine and vibrancy for many years. Hypoallergenic and nickel free.???????? Metal: Rhodium-plated 14K white gold Closure: Spring-ring Dimensions: 18 long chain Thickness: .7mm Jewelry photos are enlarged to show detail.