Our working hat is with adjustable ribbon, one size fits most people's head without tightness, suitable for long thick hair and ponytail, maintain your hairstyle during working and keep your head clean and neat. Hand wash in cool water and air dry. Washing in hot or warm water can cause shrinkage and loss of color vibrance. Give hats a gentle stretch once they are washed to get them back into shape. Hats can be ironed or steamed to remove any wrinkles. Cotton & Polyester material. Built-in sweat-absorbent towel. Get customers to see the value in your brand!