New with tags ! The measurements when laid flat are 23 inches armpit to armpit and 37 inches shoulder to him. There is plenty of room forgive since it is open in the front. It is 100% polyester and has a drawstring waist to give it shape. Please follow me on Instagram at “spreadloveonposh” Thank you for visiting my closet! To be notified of future sales and new arrivals please like my Meet the Posher!