Answer:
It carries paper of the most important sort but also plastic, I'm glad to report. What is it?
What type of dress can never be worn?
What is found over your head but under your hat?
I have joy in bringing two together, but darning my existence! My life hangs by a thread, filled with ups, downs and resistance!
What heavy seven letter word can you take two away from and be left with eight?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.