DESC: The Leachco Carry On Pullover Sling Carrier is the only carrier that completely frees both arms while baby remains safe and secure. Just slip on and Carry On your busy life with baby. The carrier features a continuous one-piece design with no rings or buckles, so it is safer for baby. It has an adjustable upper and lower drawstring to ensure a perfect fit every time. Designed with your freedom in mind so you can Carry On with your busy life. Size is determined according to the adult wearing carrier. Order Small-Medium if you are under 5 feet 6 inches and 150 lbs or Large-Extra Large if you are 5 feet 7 inches and 150 lbs or more.