Space Bag™ Set stores clothes, pillows, blankets in a fraction of the space! Multi-size bag system uses your vacuum cleaner hose to shrink bulky items. Removes air from storage bag to reduce volume up to 75%. To restore item to size, fluff by hand or in dryer. You get 5 bags: 2 Medium (ea. 18" x 23"), 1 Large (21-1/2" x 33-1/2"), 1 XL (26-1/2" x 39-1/2"), 1 Jumbo (35-1/2" x 48-1/2").