Fabric96% Polyester, 4% Spandex TOG Rating0.5 The Zipadee-Zip’s unique starfish design provides the cozy, secure feeling of a swaddle without limiting baby’s range of motion.   A safer alternative once baby starts to wiggle and roll  Keeps them comfy and covered during naptime and nighttime  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