Personalized Baseball 4th Birthday Baby Bib. Baseball league sports style 4th birthday boy with baseball bats. Cute sports themed 4-year-old b-day party gifts. Happy Birthday four-year-old! 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"