ThisWear Retirement Gift Can't Scare Me I'm a Retired Engineer Funny Coworker Gift Coffee Mug Tea Cup Navy A great gag gift for a retiring engineer coworker or family member. This 11 ounce white ceramic coffee mug also makes a great tea cup with its large, easy to grip C-handle. The imprinted design will display on both sides of the mug as pictured, and will stop approximately 1 inch from both sides of C-handle. The premium full color sublimation imprint creates a vibrant, long lasting, and lead-free design. Microwave and dishwasher safe for your convenience.