I have these in Pans and Tubes, I mostly use the tube paints and have started to use a sealed pallette into which I can squeeze tube paint. This will stay fresh for some time as the palette is airtight.
During the lockdown my present work is mainly from photographs and Google Earth street view. It can be quite tricky to get the right viewpoint in street view, but it is possible to scroll up and down as well as from side to side.
There are some superb doorways in the towns and villages in Sicily (present “destination”) but the streets are so narrow so you just cannot get far enough back.