Cotton Imported Breathable Comfort: Crafted from double knit cotton, Comfy Cubs newborn sleep sack is ultra soft, ideal for newborns. This comfortable full coverage toddler sleep sack lets your baby breathe easily while also ensuring that they do not overheat. Easy & Safe Diaper Zipper: Our wearable baby blanket also includes a concealed zipper at the front to make it easy for Moms to change diapers without having to wake the baby. A snap front also ensure that the zipper stays in place and warm, so your baby can wear the baby sleeping sack with ease and comfort. Freedom To Move & Space For Growth: The narrowness of the top part of this infant sleep sack and the wideness of the bottom lets children stretch easily and develop their hips. It is ideal for active babies and side sleepers. It helps support their quality of sleep without constraining their movement. All Seasons Sleeveless Sleep Sacks Design: The absence of sleeves enables better breathability which means this baby wearable blanket can be worn throughout the year. In summer it can be worn easily while in winter adding pajamas along with it will guarantee a good rest or sleep. Thoughtful Baby Shower Gift: Surprise new parents with a beautiful and practical gift! The Comfy Cubs baby sleep bag is a cozy and breathable wearable blanket baby that supports a good night's rest. It is designed with total comfort in mind, making this a newborn essentials for every newborn registry.