Features: This mug painting kit facilitates a unique and one-of-a-kind design of your mugs. It's a pottery painting kit designed for those who look to make every detail of their home decor speak their unique style. After cleaning the mug surface with water and drying, use the included colored pens to paint. Once it's dried for 4 hours without water or alcohol touch, bake it in the oven at 200C for 30 minutes, let it cool and it's ready to use. Please remember the coaster should not be baked. Specifications: Material: quality reinforced porcelain Package includes: 1 x Ceramic mugs 1 x Coaster 12 x Color markers 1 x Box 1 x Reference manual Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.