Product Info Have you ever wondered what the perfect gift for your Mum is on Mothers Day? How about thanking her for turning you into the coolest cat around. This comical mug includes the phrase 'Good job Mum, I'm pretty cool'. Perfect for letting her know that you are grateful, in your own special way. All our mugs are 11oz high glaze dishwasher microwave safe. Designs are printed on both sides. All mugs are shipped out in shatter proof boxes.