My file was pushed back to me because I didn’t add “File contains gradient mesh” in the description area. Why is this necessary?
Some programs cannot edit these effects so we want the buyer to
know that your file contains a gradient mesh. Gradient Meshes are
acceptable to use but you'll need to include that information in
the description area (please also include the file version in the
description area, for example: Image contains gradient mesh EPS 8/