Personalized Mechanical Flowers Toddler Full Zip Hooded Jacket. Flowers made of gears, screws and tubing is a unique industrial design for mechanics and mechanical engineers at birthdays, holidays and graduation. 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.