The boxes are big enough to fit a large sized warband, along with a few hired swords. There is a sheet on the bottom that your magnetic bases will stick to.

These boxes were designed for my warbands, but I'm happy to make a custom box to fit your warband. If you'd like a different Warband, or want a box in different colors, a different banner, or even a different size to match your minis send me a message and I'm sure we can work something out.