The standard size 12mm hoop earrings are decorated with a beautiful mandala pattern and black button inset – all in solid 925 sterling silver. This is one of many designs available in the hoop charm series and this design is also available with a white inset. Nickel and Lead Free, Non Allergic. 925 Sterling Silver Standard size hoops 12mm Mandala shell Charm hoop series Hoop Dimensions: Length=12mm, Width=12mm, Charm: Width=8mm