NEVER USED-NWOT. Size small *smoke free home sizing per website -small: 4-8 months;12-19 lbs; 25-29 inches Same great Zipadee-Zip you know and love but even better! Made with natural bamboo fabric that is lightweight, perfect for any weather and great for delicate skin. As well as a new double-zipper that makes late night diaper changes a breeze. Designed with the safety of your baby in mind: A safer alternative once baby starts to wiggle and roll. Freedom of movement so your baby can safely push themselves up or roll over. Our unique starfish design mimics the cozy feeling of the womb to provide an extra level of comfort and security. Designed based on safe sleep recommendations from the American Academy of Pediatrics (AAP). Suitable for little ones 3 months–3 years. Intended for sleeping only and should not be used for walking or running. *If your baby is in-between sizes we recommend sizing down. There should be a slight resistance at the arms. Fabric 95% viscose Bamboo, 5% spandex Washer and dryer safe TOG Rating 0.2