- This 3D Vertical Bar necklace is made of 0.925 Sterling Silver and hangs on a Sterling Silver bead Chain. It is available in a free personalized name and can be customized with words, letters, sentences, characters, or coordinates. It is a memorable and heartfelt gift for family, lover, best friend, or just for oneself. It has a twisted pillar pendant size of 1.38″x0.2″x0.2″(3.5×0.5×0.5cm) and five sizes of chain available, 14″, 16″, 18″, 20″, and 22″. If you experience any problems with the product, we guarantee a full refund.