Features:One size fits allProtective cap brimClear color，see throughReusable，Long LastingMaterial: silicone cap， metal hookComes with a rounded metal hookPre-punctured for accurate performanceGreat for both home and professionalMaximum circumference: approx. 74cm?Maximum circumference suitable for highlighting: approx. 60cmHook length: approx. 12.5cmKindly note: It might smells a little， so it is a good idea to wash and air dry before usePackage includes:1 x Highlight Hat Cap1 x Metal Hook