100% Polyester Comes in a 12-pack of hats. Hat Closure Fit: Adjustable hook and loop (strap) closure. Can be adjusted to Size : (54cm – 63.5cm). Material : 100% polyester. Bill : 3 inches. 6 panel. Structured Front Panel. 6 open eyelets for cool, breath-ability circulation. Structured Blank Canvas Frontal Panel With Constructed Curve Bill. TOP HEADWEAR US PATENT/COPY RIGHT/TRADE MARKED BASEBALL HATS.