Personalized Coolest Mechanic Baby Bib. The world's coolest mechanic text with a snowman holding a wrench and sporting a hat and scarf with wrenches is a humorous mechanic gift design for graduations, birthdays and holidays. 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"