Polar bear on small 16mm hexagon silver stainless steel pendant hanging on 45cm link Chain -316L Surgical Grade Stainless Steel from USA (pendant and chain) is hypo-allergenic, long-lasting and anti-corrosive. No harsh chemicals or base metals make it safe for those with sensitive skin (free of nickel, lead, or other allergens and metals that tarnish and turn skin green). Perfect gift for any animal lover!