This cotton sleeper is made of 100% cotton. The motif of the face has an impact and is very cute. It is a material that is elastic and fits easily to the body and does not easily create gaps, so it is perfect for babies who move a lot even when sleeping! It is a material that can be used in three seasons, autumn, winter, and spring, making it ideal as a gift. ・ Uses 100% cotton fabric that has long bristles and is very soft to the touch. ・It can also be used for children before they can sit up. ・ For measures against cold sleep of energetic babies who move well. ・ With the warmth of being wrapped in a blanket, it can be used for room wear and cold protection in winter. ・It can be used for a long time from newborns to about 3 years old.