One size fits most. S/M SIZE , This head wrap measures 8 inches long by 5 inches wide Material: 100% Acrylic , Soft Knitted These knitted soft headbands give you warmth during the cold weather with extra fancy and sophisticated look everyday! Care : Hand wash with cold water / Flat dry by you Women's Soft Knitted Winter Headband Head Wrap Ear Warmer Twisted-Black - BNDRMVGQP