Personalized School Bus Driver Be Nice Baby Bib. Be Nice To Me, It's A Long Walk Home! Be nice to the school bus driver, or else! Funny shirt for the drivers responsible for very precious cargo. 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"