That's A Wrap Foil Bandana Black Knotty Band, The knotty band is the only headband that offers you super soft and stretchy comfort, and the design versatility to get two looks out of one head band You can fold it in half for a thinner look or, if you want the high coverage and high style, wear it wide! The Knotty band expands to 5" The exclusive slip knot in the back of the band allows you to do both