Personalized 3rd Birthday Rocks Princess 3 Year Old Baby Bib. 3rd Birthday Princess Baby Bib - Pink has polka dot number three with princess crown design and 3 rocks slogan. 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"