Personalized Race Car 5th Birthday Baby Bib. Start your engines! Fun 5th birthday racing car helmet, pistons, and checkered flags. Perfect for the five year old's birthday party. 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"