Alex and Ani Dolphin Charm Expandable Bangle Bar Bracelet Alex and Ani's patented expandable wire bangle allows the wearer to adjust the style for a perfect fit, with each bracelet focusing on the power of positive energy and featuring a unique symbol or charm. Adjusts to 3.25 inches in diameter. Recycled Materials. Made in United States. New with Tags, Card and Gift Box* All of our items are 100% Authentic!