Personalized White Rockin' Guitar Baby Bib. Rockin' in white text with a happy rock playing a guitar is a funny music design for musicians, students and teachers at birthdays and holidays. 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"