Uh Oh - the Ice King's Crown, it may turn your slowly crazy over time, but it will also give you some super rad powers! Worth it, right!?
Measures 5.5 inches at the tallest point, just over 1 inch for the band, 23 inches for the outer circumference and approx 21 inches internal circumference at the smallest setting to approx 23 inches at the largest.
Available for purchase via: http://etsy.me/107qkfu