From coastal-inspired brand ALCO, the Heartbreaker is made for a life of sweat and sea. Crafted in 18K gold-plated marine-grade stainless steel, it's designed to be worn all the time and everywhere — no need to take it off. 18K gold-plated marine-grade stainless steel Nickel- & lead-free · hypoallergenic Water- & tarnish-resistant 17 in chain with a 2 in extender & lobster clasp