Made of 100% Polyester Soft and comfortable fleece Adjustable headband Collapsible for easy storage Can wear with hats and glasses One size fits most (5-10 years old) Warm and soft fleece will wrap their ears in comfort. Easy to put on, the cushioned headband is adjustable for the perfect fit. They wrap up for easy storage and carrying. The wrap around style allows for wearing hats and glasses at the same time