Baby Merlin’s Magic Small 3-6 Months The Magic Sleepsuit can help your baby sleep more soundly. The breathable cotton layers (with polyfil in between) provide just enough security to prevent baby's startle reflex and keep them feeling comfy and secure. Parents especially love it for transitioning baby from a full swaddle. The Sleepsuit features a scooped neckline to keep fabric away from little faces and double zippers make diaper changes easier. Note: designed for back sleeping in the crib only; stop using if your baby can roll over in the Magic Sleepsuit. Cotton layers with polyfill Stop using once your baby can roll over. In great preowned condition.