Personalized Unicorn 5th Birthday Baby Bib. Unicorn 5th Birthday - A pastel unicorn jumps over a colorful rainbow and smiling cloud. Cute gift for the five year old's fifth birthday! 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"