The Christmas hats are made of 100% brand new acrylic,Good air permeability and No itching, no skin irritation,no peculiar smell. You can wash it, will not shed hair or fade,wear light and comfortable. This fuuny hat is perfect for most adult, boy and girls. Great gifts for friends and families.Perfect for Christmas Xmas Party Favors, Holiday Party Favors, cold winter indoor and outdoor. Two sizes available: Adult, Children.