Any ideas for waterproofing?

This 3 digit display will be going on the outside of a metal pottery wheel body. I can't seem to find a plastic cover to suit it.

I thought surely someone has been in the same situation. Any help would be greatly appreciated.

This 3 digit display will be going on the outside of a metal pottery wheel body. I can't seem to find a plastic cover to suit it.

I thought surely someone has been in the same situation. Any help would be greatly appreciated.