The postcards are printed on both sides and the patterns on the back are ingenious The material is white watercolor paper is a textured material to the touch You can easily write on it with any pen! /// Sleeping in class /// Actually the cat was awake But he is not in class, he is drawing I secretly took an ugly photo of the penguin sleeping In the end, I fell asleep too... /// It's cold /// The cold cat and the hardy penguin No matter how swollen the bag is, it's still cold and trembling Penguin didn't feel cold at all in the sky! ! ! | Matters needing attention | ▸ Every effort has been made to make the photos appear in the same color as the entity, but different monitors may still cause color difference. If you mind, please consider buying.