Personalized Big Brother Monster Truck Baby Bib. Big Brother Monster Truck. A big red monster truck with muddy tires jumps over the word brother. Cool gift for any big brother! 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"