This is an authentic Alex and Ani. They offer a one size fits most everyone. NWT + Card. Take to the sea with this Stretch Bracelet set. Featuring a multi-charm bracelet with a nautilus, seashell, and 2 other ocean-inspired charms, and 2 coordinating light green and silver finish beaded bracelets.. Designed to wear alone, or to layer for a customized look, Alex and Ani’s patented elastic stretch allows the wearer to adjust the bangle for a perfect fit. MSRP: $78.00