Personalized Royal Trombone Baby Bib. A trombone with the word trumpet wearing a jeweled crown is a humorous music design for horn musicians for marching band, back to school and graduation. 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"