This is an authentic Alex and Ani. They offer a one size fits most everyone. This is an adjustable bangle. The fleur-de-lis, sometimes spelled fleur-de-lys, is a stylized lily or iris commonly used for decoration. In fact, translated from French, fleur-de-lis means “lily flower.” Fleur means “flower,” while lis means “lily.” You’ll likely recognize the symbol, which typically has three petals attached at the base. Normal tarnishing