My parents never felt that I was college 'material'. [=that I was someone who should go to college]
Her boss regards her as executive 'material'. [=as someone who would make a good executive]
The comedian gets his 'material' from things that have happened to him.
(..) It lost years with the absurdity and tedious study in the academy. And now it was wanted to be left that low world the it influences the parents and the excess of things materials. The things that separated Chris of their true existence. On the way to the crest of the I pacify, (..)2007 Into the Wild