The product is an authentic Tiffany & Co. Return to Mini Heart Lock Padlock Necklace, made of sterling silver with a spring ring closure. This 16" necklace features a heart-shaped pendant from the Return to Tiffany collection by Tiffany & Co. The pendant serves as a charm and comes with a pouch for safekeeping. The necklace is suitable for various occasions such as engagements, weddings, anniversaries, and birthdays, making it a versatile and elegant piece of fine jewelry. Made in the United States, this sterling silver necklace is a timeless and classic accessory that can be cherished for years to come.