Personalized Chemistry Bubbles Toddler Full Zip Hooded Jacket. Chemistry in rough blue text surrounded by blue bubbles is a fun design for chemists,students and teachers of chemistry at birthdays, holidays, graduation and back to school. 7.5 oz., 60/40 cotton/polyester. Jersey-lined double-needle hemmed hood. Pouch pockets for all their treasures. Coverstitched shoulders and armholes. Coverstitched rib waistband and cuffs.