Personalized Princess 4th Birthday Baby Bib. Pink Princess 4th birthday. This pink heart with a jeweled tiara will make your little girl's fourth b-day special. Happy birthday 4-year-old! 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"