Alfoil Gladwrap Heavy duty rubbish bags and a few carry bags. The latter make good over-night rubbish bins. Clothes line, pegs. Food - Remember interstate quarantine regulations affecting fruit, vegies and fruit boxes. Remember tins are heavy.
Desiccated food requires water.
Frozen meals require a fridge. Vacuum packed meat can be arranged via a good butcher. Always carry 2 days spare food and water. If in trouble help can take a long time coming. We find it helps to pack breakfast items together and evening meal items together.