100 % Cotton "Abstract Colorful Circles" Euro Style Scrub Cap with Teal satin lining and Contrasting Ties. A really fun pattern. One size fits most and space to fit a ponytail or medium length hair. 18?-23? Circumference. Toggle ended elastic makes hat adjustable. Fits most, Small-Medium-Large. This lightweight cotton fabric has been pre-washed to help decrease shrinkage. All seams are finished. Hat is fully satin lined, so your hair will be pampered all day. Fits Most Head Sizes, ponytails, and thicker hair. Mannequin in photo is size Medium. Elastic back for to hold pony and ties for adjusting size. Criss-cross ties under pouch of hat, tie on top encircling hair or ponytail that's inside. May be hand or machine washed (I prefer in laundry bag), cold water and air dried or on low-med dryer temperature, iron as desired. Handmade Scrub Hat Made of 100% cotton in a sleek multi-color, this surgical cap features abstract circles One-size-fits-all and with a comfortable fit, this nurse's hat is perfect for those in the medical industry looking for a personalized yet professional look.