Soft & Breathable: Soft cotton baby sleep sack, 220 GSM, is cozy and skin-friendly for newborn babies. Breathable baby sleeping bag, with good moisture absorption and air permeability performance, provides a continuously dry and cozy environment for your baby. Sleeveless wearable blanket for baby is warm with no risk of overheating, and frees the arms of your little one. Perfect for all seasons of spring, summer, autumn and winter. | Safe Two-Way Zipper: Unzips from the top and bottom, easy and convenient to place your baby in the sleep sack and change diapers. Zipper protector on the top and along the zipper teeth on the back to protect your baby’s jaw and belly from being scratched by zipper head. Roomy baby sleeping bag has enough room for kicking but can not be kicked off, protecting your baby from getting cold when sleeping or crawling around on the floor. | Attractive Lion Pattern: Cute yellow baby boy sleep sacks with well printed lion and sun patterns, arouses the curiosity and creates a lovely sleeping environment for your little one. Portable sleep sacks for babies 0-6 months, suitable for swaddling, crib, stroller, travelling, picnic and camping. | OEKO-TEX Certified: DaysU cotton baby sleep sack is a genuine STANDARD 100 by OEKO-TEX certified product, allowing direct contact with the skin of babies. DaysU offers 2 baby sleeping bags in a package, one for use and the other as a backup. Washable and Easy Care. Machine wash cold with gentle cycle. Tumble dry low. | Perfect Baby Shower Present: DaysU has been dedicated to designing and producing newborn and baby essentials for new parents, including baby blankets and baby sleep sacks. Online customer service always stands by for your inquiry.