Personalized Running Half Marathon Run Baby Bib. Cute run 13.1 Baby Bib - White and Orange for a half marathon runner who loves to stay fit. 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"