Personalized Best Niece Ever Unicorn from Aunt Baby Bib. This cute niece gift is a fun baby shower gift from Aunt or Auntie with unicorn and quote that says best niece ever. 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"