Black polyester fabric with 3/8" ribbon tie. Elastic and satin ribbon tie can be adjusted for your comfort level. Tie ribbon into a bow. One size fits most. Handmade in USA. Try on satin cap, tighten to desired comfort level. Once comfort level is determined, slip on and off with ease WITHOUT retying. Measures for hairline circumference 20-1/2"-22-1/4". Perfect for short and sleek hairstyles. Handmade in USA.