Personalized World's Best Grandma Baby Bib. World's Best Grandma! Great Mother's Day gift for your Grandmother, the world's best Grandma! 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"