Personalized 3rd Grade Teacher (Premium) Baby Bib. Genuine 3rd Grade Teacher Baby Bib - Turquoise has fun vintage label in pink with premium quality quote for your favorite third grade school teacher. 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"