Personalized So I'm Little, But I'm Gonna be a Big Sister Baby Bib. There's a new sibling on the way, and that means you've been officially promoted from "Only Child" to "Big Sister." So I'm Little, But I'm Gonna be a Big Sister Baby Bib - White and Pink, for girls who'll be getting their little brother or little sister soon. Our Baby Bib is rated high in convenience and durability and with a variety of fashionable colors, your baby can be trendy. Mix and match to any outfit. 100% cotton ring spun combed heather colors are cotton-poly. Width 7.75", Length 11.75"