Personalized Hydraulic Engineer Plunger Men's V-Neck T-Shirt. Hydraulic engineer text with an image of a toilet plunger is a humorous gift design for hydraulic engineers, college students, plumbers and home handymen and women at birthdays and holidays. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem