Personalized I'm One Comic Book Baby Bib. Pow! Cool! Ka-Boom! I'm One! Cool comic book style birthday gift for any one year old superhero's 1st 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"