Abstract: A suitcase is provided with a compressive liner encapsulating an air tight packing chamber and having a sealable opening to allow placement and removal of clothing and other articles within the packing chamber. In a relaxed state, the volume of the packing chamber is substantially greater than the volume of the suitcase interior, thereby enlarging the available packing space. When the liner is filled and sealed closed, air is withdrawn from the packing chamber by a motorized vacuum pump, causing the liner to collapse and compress the contents, thereby reducing the volume of the packing chamber to a size which fits within the closed suitcase. A one-way valve holds the vacuum within the chamber, maintaining the liner in the collapsed state until the opening is unsealed.