ALEKO 10VB2028X2431WP 5 Pack 20X28 Inches And 5 Pack 24X31 Inches Space Saver Organizer Bags Storage Vacuum Bags Bag dimension apr.: 20 x 28 inches and 24 x 31 inches, 5 bags in each size 10 Vacuum bags high grade composite nylon. 2 Pumps Zipper is fully close/tight before the vacuum process Create up to 75% more storage space. Bags can be reused repeatedly Protects against water, moisture, moths, mildew, dirt, and odor