Personalized Happy 100 Days Of School Baby Bodysuit. Our 100 Days of School outfit is not just for kids. It also doubles as a fabulous costume for women on the 100th day of school. Whether you're a teacher or a parent, you can join in the festivities with our unicorn-themed design. And if you have a daughter, we even offer a matching 100th day of school outfit for girls, so the whole family can celebrate together in style. Our one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.