Personalized Cordelia and Birds Believe in Yourself Baby Bib. If you believe in yourself, you can achieve whatever you set your mind to. Cordelia and Birds Believe in Yourself Baby Bib - White and Yellow, from the children's book "Cordelia" by Michelle Nelson-Schmidt. 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"