pickled products immersed in a pickling solution are packaged in a cardboard box for shipment to customers . the box is lined with a plastic bag to protect the pickled products and pickling solution from contaminants , and to prevent the pickling solution from leaking . the cardboard boxes may be arranged in multiple layers on a pallet for shipment . the pickled products may be put in the box in a pickled state or in a raw state , whereupon they cure to the pickled state during shipment .