When you have the next hard rubbish collection in your area, nick a couple of door shelves out of an old fridge and use them on counter tops to prevent everyday stuff from floating all over the van.
The ones I found have the rubberised fingers inside to hold things better.
I've screwed ours to the wall but if you don't like to drill holes everywhere, try some velcro, that works as well.
We use ours for stuff like coffee, sugar, pepper & salt, matches and all the little stuff you need handy when ya stop on the side of the road.
I've got a couple pics but can't u/load from my comp.

Lance