Size :  hat circumference 58-60cm (Adjustable)  Conversion:1inch=2.54cm, 1cm=0.393inch Package included: 1pc   Warm Tip :   Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's photo and the actual item.  Item Measure by hand, it could be 1-2cm different,your kind understanding will be much appreciated.