Graffiti Gifts allow you to say that something special in your own words and preserve them forever in a truly forever gift. Perfect for remembering all the hard work you have done and all the friends you have made when graduating.Friends, family and colleagues write messages on the plate with the special pen provided, after 24hrs the plate is baked in your own oven at home for less than an hour and there you have a fully washable permanent reminder of a perfect day. how to use... The Hi-tech Porcelain Pen gives a high gloss finish which after baking in the oven (30mins, at 170°C) is dishwasher-safe. The Marabu-Porcelain Painter is ideal for writing and painting on the gift you have chosen. Follow the instructions for baking. Baking and FixingTo achieve a permanent, dishwasher-safe finish:Allow the gift to dry for approximately 4 hours and then place it into an unheated oven. Set the temperature to 170°C and bake for approximately 30 minutes. Turn off the heat, allow item to cool down in the closed oven. Do not remove until cool.