Personalized Mechanic Daddy for Son Daughter Baby Bib. mechanic baby shower idea has quote saying my Daddy is the worlds best mechanic 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"