One Size Fits Most Circumference: 58cm /22.8" Hat Depth:8.5cm /3.35" Hat Brim: 6cm /2.36" Material: quality polyester colour:black NOTE: Hand Wash Only, no bleach, hang to dry. Due to manual measurement, please allow us to have an error of 1-2 cm. Due to the folding packaging of the hat, there may be some creases on the hat, please iron under low temperature to ease the crease. It is normal that there may be some color difference between the real object and the picture.