Personalized Big Bro Cute Brother Mock Tuxedo Tux Baby Bib. Big Bro Baby Bib - White and Orange has mock tuxedo front design with bow tie and buttons for a new big brother. 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"