These are Muji's organic cotton interlock changing pajamas. They feature a soft feel with 100% cotton fabric. The edges of the buttons are raised for easy gripping by children's hands. The colors of the buttons and buttonholes are alternated to encourage children's clothing education. The pants can be fastened with buttons to prevent them from slipping off, designed to keep the tummy warm. The cotton is organic cotton. Please note that the quality tag will be cut off and removed before shipping due to the presence of a name written on it. There are pen marks and stains. [Size] 100 [Color] Pink [Material] 100% Cotton