What are Chinese masks made out of and why????

Question:Most of them are made out of papier mache.
Their techniques are so good that they can even make furniture out of it as well.

Best Answer - Chosen by Asker: Most of them are made out of papier mache.
Their techniques are so good that they can even make furniture out of it as well.

Paper mache because it is light, strong and cheap.
It is easy to paint and can be molded to almost any shape you desire.