They are made from sheet plastic allowing them to be both collapsible and reusable.
A.First, cover the dirt floor with heavy sheet plastic or heavy tar paper.
We have now put sheet plastic down on top of the carpet and this does seem to help.
The windows on the north side were covered with sheet plastic.
It had been sealed with heavy sheet plastic with plastic reinforcing.
It could have been sheet plastic, pressure-detonated.
The sheet plastic could be put up with double-stick tape or magnetic strips around the edges so it can be removed when not needed.
Now everyone was huddled around the fire under a sheet plastic lean to.
As a sheet plastic however, it could easily be produced in many shapes.
He was wearing a rain poncho she had cut for him from sheet plastic.
