Personalized Triangle Egghead Baby Bib. An egghead with a triangle is a cute musical design for percussion musicians, students and teachers at back to school, marching band season, 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"