Personalized Dental Hygienist Funny Floss Em Hippo Baby Bib. Funny dental hygienist or dental assistant Baby Bib - Red with hippopotamus and Floss Em quote. Also perfect for a dentist or dental office staff. 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"