Personalized 9th Birthday Party Celebration Baby Bib. Celebrate turning nine years old with this colorful 9th birthday design featuring a striped number 9 with party hat. 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"