Personalized Rockin' For 20 Years Baby Bib. Two happy rocks under a banner that reads Rockin' for 20 years is a humorous anniversary gift design to tickle the funny bone of friends and family. 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"