Personalized Worlds Greatest Pappy Baby Bib. Worlds greatest pappy in text with the earth in place of the letter O in the word world is a unique gift design for grandfathers on birthdays, holidays and Father's Day. 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"