Mavic Air Spare Propeller Box

I often travel with my Mavic Air Drone. And I always have a full set of propellers with me. However I was afraid that they will be deformed in some way when in just the cardboard inside a pouch. So I needed some kind of box to protect the props.

The wall thickness is merely 1mm. It is a bit wobbly but when the cover sits on top it's absolutely OK. I also experienced that the cover sits a bit loose on the box, however it doesn't fall of when turned upside down. So that is OK with me. Did not c