Solid Royal Blue Wave Cap with ties with included Buy Caps and Hats bumper sticker. Cool, breathable and lightweight Nylon weaved fabric. Produces wave pattern in some short hair types. Keeps hair in place and helps prevent breakage during sleep. Easy to tie to provide a secure fit and conforms to many head shapes with ease. Wear under caps, football or motorcycle helmets, as a sleeping cap or as an urban fashion and style. Can also be used to hold CPAP machine in place on head; conceal crazy, untamed hair during a bad hair day and hold hair in place in windy conditions. BLUE Doo Rag Do Rag Du Rag nylon wave cap with ties. Made for day or night comfort. Comes with Buy Caps and Hats bumper sticker and packaging. May also be used to help create a wave pattern in shorter hair; compact hair into a neater appearance; prevent hair breakage; keep hair and curlers in place.