This is the Port-a-Bach system from New Zealand's Atelier Workshop.
"Costing around $55,000, Port-a-Bach sleeps two adults and two children comfortably, in a dwelling that folds up into a fully enclosed steel shell. It comes with large internal storage cupboards and shelves; a stainless steel kitchen; bathroom with shower, sink and composting toilet; bunk beds and dressing room. Fabric screens allow you to shape internal space, as well as shelter the outdoor deck area.
Bach (pronounced Batch) is Kiwi slang for 'Bachelor Pad…'"