Airtight Filament Box Part

I saw some ideas on how to make an airtight filament box but wanted to create my own version. I use a Robox which has it's own smartreel filament but I use the printer so much every day for work and over a variety of colours (lots of open filament rolls!) and I don't like the fact the filament is left in the open air whilst printing so I tend to avoid buying filament on smartreel and go for the same kind but on generic filament spools.

For the box itself I wanted an easy, strong and quick wa