Robust Chain-each link of the double-layered chain is strongly soldered, never snap or break Anti-Allergenic-This heart anklet is made of Nickel-Free, Lead-Free surgical stainless steel, it will not turn green or irritate ankle No tarnish-The silver color ankle bracelet will never discolor and can be worn whilst in the shower or swim High-quality fastening-the lobster clasp is strong build and without gap, it will not come off or open Long enough-the length is 20cm plus 5cm extension, it can be adjusted for a tight or loose look