The Limitless Necklace is a coastal-inspired everyday layering piece from ALCO, made to move with you — from the gym to the sea and everywhere in between. Its water- and tarnish-resistant finish means you never have to take it off. 18K gold-plated marine-grade stainless steel 2-in-1 design with 14" and 18" chains plus a 2" extender Nickel-free & lead-free Hypoallergenic — gentle on sensitive skin Water resistant & tarnish resistant for wear-anywhere ease Secure lobster clasp