Personalized Sun Stick Girl Big Sister Baby Bodysuit. Big sister Baby Bodysuit - Football White and Black with a funny, little curly haired cartoon stick girl with a sun on her pink dress. She says I'M THE BIG SISTER. Our unisex 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.