Originally Posted by JulieR
I might put fabric in plastic bags before setting it into a cardboard box, just in case there is a leak or other water hazard during the move itself.
Ditto this. Several years ago the theatre where I work rented a special kind of curtain from another theatre (it was black velveteen with fiber optic cables to create a starry sky). When the other theatre packed it up for shipping, they put it in a box without a plastic barrier of any sort, and something greasy/oily spilled all over the box in transit. It soaked through the cardboard and poof, several-thousand-dollar curtain was ruined. We were just glad it happened in their packaging, rather than ours.