Abstract: A set of foldable containers fitting into compartments of a catering trolley. Each foldable container comprises a casing; a foldable closure; and a bottom insert. The foldable closure is arranged to have a closed state and an open state, and may be funnel shaped. The bottom insert may serve to collect and hold fluids. In operation, food rests and tableware are deposited into the foldable container via the foldable closure in its open state. The containers may be sealed by wrapping with a covering sheet. Several containers may be packed together in a spread configuration such as to be applicable to all trolleys in an aircraft, train, bus, or ship.