Personalized You're Overreacting Baby Bib. You're Overreacting! An Erlenmeyer flask filled with bubbling green liquid. Funny gift for any chemistry geek! 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"