Personalized Chemical Eggineer Drawstring Bag. Eggineers are engineering eggheads and this humorous egghead with safety glasses and beaker of chemicals and the text chemical eggineer, is a fun gift design for 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.