ALEKO 24x31 Inches 5 Pack Space Saver Organizer Bags Storage Vacuum Bag Bag dimension apr.: 24'' x 31'' 5 x Vacuum bag high grade composite nylon. 1 x Pump Zipper is fully close/tight before the vacuum process Create up to 75% more storage space. Bags can be reused repeatedly Protects against water, moist, moths, mildew, dirt and odor