It is a permutation of the classic WWII slogan, and the best way to calm down a crazy Janeite who needs a cuppa. The Keep Calm Mug is designed to for every fan of Austen. It holds up to 11 oz of coffee, tea, hot chocolate, and more. This mug is microwave, refrigerator, oven, and dishwasher-safe, making it perfect to suit your fast-paced lifestyle. It has heat-resistant handles making it comfortable to sip hot beverages. This Keep Calm Mug is fade-resistant, which ensures it retains color for years to come.