Personalized Physics Oval Baby Bib. Physics text in a in an oval of warm colors is a fun science design for physicists, teachers and students at back to school, graduation, birthdays and holiday 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"