Personalized Volunteer Firefighter Grandpa Baby Bib. My Grandpa is a volunteer firefighter Baby Bib - White and Blue with fire truck for grandkids with a grandfather who is a community helper fireman. 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"