Personalized Santa Hat Brain Baby Bib. A happy brain wearing a Santa hat is a humorous winter holiday gift design for psychologists, neuroscientist, neurologists, neurosurgeons and medical students. 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"