Personalized Mechanic Daddy Proof Mommy Cant Resist Baby Bib. Funny gift for boy or girl with quote that says I'm proof Mommy can't resist mechanics. 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"