Funny Baby One-Piece Bodysuit. "Calm Down Daddy And Call Mommy". We use very soft 100% cotton baby clothes that's gentle on your baby's skin. It's recommended to wash the onesie inside out in cold water for the first time. These one-piece baby bodysuit shirts come in short or long sleeve and are great for Baby Showers, 1st Birthdays or just putting a smile on someones face.