100% Cotton "Wise ‘Ol Owls" Ponytail Scrub Cap, OR Nurse, CRNA, Surgical Tech, Chef, Scrub Hat, Labor Delivery Staff, Medical Uniforms, CMA with Adjustable Elastic Back, Turquoise Background, Colorful Birds and Contrasting B/W Polka Dot Ties, Lightweight, and Comfortable to Wear Fabric is pre-washed to decrease shrinkage Fits Most Head Sizes ( 22"-26" full stretch), 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. Machine or hand wash and hang or machine dry low/med temp. ( I prefer using a lingerie bag for for machine washing) Iron as desired.