Spacebg Flat Hvy Dty 3lg The space bag features a unique, compressible design that's activated by simply rolling the bag to condense your clothing into a space-saving bag without a vacuum Airtight, waterproof construction protects your belongings against Bugs, moths, dirt, mildew and other odors that might occur within common storage areas Ziploc Large Compression Space Bags 3 Pack Each bag measures 21.5 inches by 22.5 inches