The phrase "Own sanitation essential" can strike fear into some campers, but not having to rely on a campsite toilet block opens up a huge range of new destinations. So why not use a chemical toilet in your tent, caravan. They are small, light, and easy to empty and clean - and if it won't fit put it in a dedicated toilet tent which are cheap and readily available.
The Thetford Range of Porta Potti's. The Porta Potti comes in
6 versions of various sizes and capacities and are built from high quality
plastic which is durable and easy to clean. The quality of manufacture ensures
that the Thetford Porta Potti's will last. The quality operational features of
the Porta Potti's are designed to make your life easier including level
indicators, so you know when to empty it and push connectors for the fresh
water and waste water tanks.