Ziploc Space Bag Travel Bags Variety Pack - Set of 11 Bags Roll air out through the one-way valve to compress bulky items - no vacuum required Pack up to twice as much Airtight, waterproof and reusable Protect against bugs, moths, dirt, mildew and odors Set of 11 bags - 5 suitcase size bags (18 inch x 22.5 inch) and 6 carry-on size bags (13.5 inch x 19.5 inch)