Personalized 45 Rocks Baby Bib. Happy rocks holding the number 45 and the word rocks below is a humorous gift design for friends and family celebrating their 45th birthday or anniversary. 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"