Personalized 50th Birthday Rock N Roll Baby Bib. Fun 30th Birthday Baby Bib - White and Red has Rockin and Rollin My 30th Birthday quote in green and blue. 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"