Answer:
What can be seen but not touched?
What has fingers and a thumb but no hand?
It is a common and favored clothing material among biker gangs and superheroes.
Big as a saucepan, deep as a cup, Even a river can't fill it up. What is it
What has a neck and no head, two arms but no hands?
I am a room that has a roof but no walls. What am I?