Personalized White Unicycle Irish Shamrock Baby Bib. A white unicycle against an image of an Irish shamrock is a unique Irish gift design for bicyclists on birthdays and 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"