I'm An Engineer, So Let's Just Assume I'm Never Wrong Make them laugh when they open our carefully packed engineering mug coffee mug. They will read a second time for sure and then realise how cheeky this funny work mug is. The perfect gifts for him or her, boyfriend or girlfriend, anniversary gifts for husband or wife. random gifts for men, joke mugs for men, mugs funny for men or for anyone who thinks they are always right. Whether it is a funny secret santa gifts or a fun computer mug, have them remembering this years gifts for a geek every time they reach for a tea or coffee and most importantly, they will think of you with a smile. This can be used for all occasions such as Anniversaries, Birthdays, Christmas and Valentines Day, dad gifts for birthday, funny tea mugs, man birthday gifts, gifts for computer geeks Made from premium ceramic our 11oz heavyweight mugs are manufactured with a dishwasher safe premium coating. Bright white in colour and with a high gloss finish. Dishwasher resistant up to 800 wash cycles at 45°C before any image fading is noticed. This is due the quality of our mugs and the use of sawgrass inks. We do not cut corners when it comes to quality. Stuff4 has over 20 years’ experience in the printing industry so we know how to produce quality with a fast turnaround every time.