Personalized Smart Mechanical Engineer (white) Drawstring Bag. Drawstring Bag - Royal Blue with "Mechanical engineering, the profession for intelligent people" in rough white text with the M in mechanical wearing a hard hat make a funny design with attitude for college students and engineers at back to school, birthdays, holidays and graduation. A durable and versatile cinch bag built to handle daily use. . With its lightweight design and reinforced corners, this pack is perfect for the gym, travel, or everyday activities.