Creotime glass & porcelain pen Water-based opaque paint marker for drawing or painting on glass and porcelain. After drying for 4 hours, bake in an oven for 90 minutes at 160°C and then dishwasher safe. The colours can be mixed with each other and can be diluted with water. Specifications: Colour: black Gender: unisex Material: plastic Height: 15 cm Diameter: 1 cm Line thickness: 1-2 mm Age: from 4 years