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.
(..) to belong to Princess Susannah, 'has been delivered to UKN, along with a video 'apparently showing the kidnapper removing it from the princess. 'UKN News has passed all material to Scotland Yard... ' Fucking hell! God! I can't watch this! He's got to do what they want. Yes, he fucking has! (..)2011 TvShow: Black Mirror Title: The National Anthem Season: 1 Episode 1