16 inches + 2 inches adjustable * Our jewelry is crafted with 18K Gold Plating on stainless steel for durability and elegance. * It is generally waterproof and can resist tarnishing for up to a year with regular wear. * We offer white labeling options, and all jewelry is shipped in basic plain plastic pouches. * Additionally, paper cards and gift boxes featuring our logos are available. Please message us if you would like to buy. * Based in Los Angeles, we ensure fast shipping, with orders processed within one to two business days.