We ladies are lazy to take care of our make-up cases and I don't know if you've seen it at the Tyra show how much bacteria a make-up case can have! I also want my beautiful cosmetics to be scratch free.
I bought a "non-slip" mat at a hardware store. I had it cut based on the shape of my case so I can easily wash it for any powder spills. Here's how it looks like....
** approx USD4.00-5.00 at Ace Hardware
It was packed for 2 as you can extend the belt, in my case, I need only one belt for my traincase and I can keep the other for back up. It's a velcro belt so easy to adjust.
Here's how my traincase looks like when I'm traveling with it, Not bad! At least all my cosmetics are well protected.