75% cotton, 20% nylon, 5% spandex.. This one piece is made from 100% super soft cotton. Bibi and mimi sweet cheeks organic cotton (infants') white organic cotton This one piece is made from 100% super soft organic cotton. Packaged in a cute box with a ribbon handle. Packaged in a cute box with a ribbon handle.. White Cotton, Pink Cotton, Purple Cotton. The Mary Jane baby sock bibi and mimi milk junkie organic cotton (infants') white organic cotton is simply adorable.