This sweat proof, non tarnish and durable stainless steel necklace features a unique interchangeable charm design. The necklace chain measures 18 inches and is made of durable and high-quality stainless steel. The small stainless steel push lock charm, can easily be pushed open to add or change out different charms to personalize the necklace to your liking. The necklace is versatile and stylish. COMES WITH YOUR FIRST CHARM, ESSENTIAL OIL and FREE JUSBREATHE NATURAL STONE UPGRADE.