Personalized Teachers Count Baby Bib. Math Teachers Count 1-2-3-4-5-6-7-8-9 is a humorous twist on words and a funny gift design for birthdays, holidays and graduation. 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"