Bed cleaning

How do you clean your beds?

I drive a Scania R500 XT and the bed over time is starting to get a bit dirty with dust from sites coming through the doors and then me getting on it. I have had a look but didn’t see an obvious way to remove the cloth to take it home for a weekend wash. Obviously I don’t want to break something by forcing it. Anyone know if it is removable as it didn’t look like it was. If not any clues as to the best way to get it clean while i’m on the road. I am thinking if i clean it on a Friday it will be dry for Monday. Thanks.