Paintings on canvas up to 72”x72” may be taken off its stretchers, rolled, and shipped in a heavy duty mailing tube between 8” and 12” diameter, depending on the size of the canvas. Make absolutely certain that your painting is completely dry before attempting to roll it.
What you’ll need:
Glassine paper or acid-free archival tissue paper
Heavy duty mailing tube with plastic end caps no smaller than 8” in diameter and up to 12” (depending on the size of your canvas).
A second tube of smaller diameter for inner support. (You’ll roll your artwork around this tube and insert it inside the larger tube.)