Personalized Nano Eggineer Baby Bib. Eggineers are engineering eggheads and this humorous egghead with a magnifying glass and nano eggineer text will tickle the funny bone of your engineer at 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"