Personalized Marching Sport Baby Bib. Marching Band, the sport for intelligent people. It takes more than physical strength and fitness to be in marching band. It takes intelligence! 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"