Personalized Nuts and Bolts Pumpkin Baby Bib. A pumpkin face made up of nuts and bolts is a humorous gift design for mechanics and structural engineers at Halloween and birthdays. 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"