Filament Storagebox Clamp

Found this box in the local DIY Hardware store (german OBI), but there were no sealed boxes, so I took these aftermarket window seals and added them inside the lid. The box has already brackets to fix the lid, but with the window seal it needed more,
so I created additional brackets.
It's probably not 100% sealed, but I can hear the air squeeking out when pressing the lid down.
At least ten spools can fit in there, probably more when properly placed.

Update 2019:
After a year of using thi