Personalized Green Irish Shamrock Light Outline Baby Bib. A shamrock of different shades of green is a unique gift design to show their Irish pride on St. Patrick'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"