Personalized Worlds Best Mamaw for Grandmother Baby Bib. Worlds best Mamaw cute floral gift design for grandma on Mothers Day. 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"