?? FEATURES: cotton fabric, zipper anti-block design, detachable sleeve design, double-head zipper design, cuff flap design, widened and thickened hem .. ?? SAFETY ZIP AND SIMPLE DIAPER CHANGE:. This baby sleeping bag features two inverted zips for easy midnight diaper change Just pull the zipper at the bottom to prevent your baby from catching a cold .. ?? USER-FRIENDLY DESIGN:. With snaps and zips, your child will have more legroom and better airflow It’s like wearing a pajamas to prevent the child from being quilted, but it’s not as tight as the clothes, providing enough space for the children to stretch out. Arms and legs .. ?? EASY TO CARRY:. This sleeping bag is very easy to pack, so your child can easily carry a nap pad in and out of school With this portable sleeping bag, your child can take a nap anywhere .. ?? Bottom seal: The bottom of the baby sleeping bag is sealed to ensure that the baby’s feet are not exposed when sleeping and keep the baby healthy.