HuaYang Cool Punk Rock Black Hat Crystal Skull Gold Vetro Adjustable stretch Ring Stylish design make you outstanding on the street Material: Alloy,Rhinestone Inner diameter: Adjustable, Minimum diameter Approxi. 1.8cm / 0.7in Dimensions: Approxi. 2.3*1.8cm / 0.9*0.7in Package Content: 1X Ring