Personalized Fourth Grade Teacher Pink Baby Bib. Cute 4th Grade Pink Butterfly for the teacher comes on a lovely fourth Grade Teacher Baby Bib - Heather and White back to school 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"