Personalized Biology Sphere Baby Bib. Biology the is science of life. This colorful design makes a great gift for students, teachers, and medical professionals at birthdays, holidays, graduation and back to school. 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"