Product Info Just imagine how many rolls of tissue paper your mum went through when you were a baby. Give your Mum a little thanks with this comical mug featuring the phrase 'Mum, thanks for wiping my arse'. A great and funny gift to have your Mum laughing on Mother's Day. 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.