Personalized 5th Grade Teacher Back to School Gift Baby Bib. 5th Grade Teacher Baby Bib - White and Blue back to school or appreciation teaching gift. 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"