The Just Add Colour Ceramic Travel Cup features attractive black and white designs that you can colour in yourself using the 4 brightly coloured pens provided. Then fix the colour by simply heating it in your oven. This collection of ceramic Travel Mugs and a Trivet is inspired by the popular adult colouring-in craze, which is marketed as a therapeutic outlet for anxiety and stress. Supplied in a gift box with four food safe markers, it would make a great gift. Care and Use: Baking instructions: 1. Once you have finished your colouring place the product into a cold oven. 2. Turn the oven onto 220°C/ 200°C Fan /425°F /Gas mark 7. 3. Bake for 45 minutes. 4. Let the product cool completely in the oven before removing. Microwave and Oven safe. We recommend you hand wash this product once it is coloured and baked.