Personalized Mastiff Mommy Baby Bib. Dog Mommy Mastiff Baby Bib - Black with paw prints, dog bone and doggy toys logo on a gift for the Mastiff owner. 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"