Simple and timeless, dressed up or down– Token's classic hoops are sure to make an impact every time you wear them. A perfect hoop to add to your jewelry collection. 14k Gold Fill. Mini-12mm, Small-15mm. Easy open endless clasp. Hypoallergenic, Nickel Free, and Water Safe. Need a little adjustment? Like most hinged hoops, the clasp may occasionally need a quick realignment. If the hoop isn't clicking shut, gently lift the post upward until it meets the clasp. A small adjustment is usually all it takes.