Personalized Big Brother T-Rex Baby Bib. Big brother T-Rex with an erupting volcano behind him. Cool gift for a big bro! 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"