Answer:
What can fill a room but takes up no space?
I'm not really more than holes tied to more holes; I'm strong as good steel, though not as stiff as a pole.
You turn me over after you have traveled far. What am I?
Good memory, skin like the sea. A great beast I am, yet vermin frightens me. What am I?
What is easy to get into, but hard to get out of?
What never gets any wetter no matter how hard it rains?