Personalized 3rd Birthday Police Car Baby Bib. A cute smiling police car has its sirens blaring to celebrate the three year old's 3rd 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"