With Blacc Vacuum Bags Get 80% More Space: Hive away your blankets, coats, pillows. Blacc vacuum bags could give you x4 more stocking capacity in your closets, boxes, wardrobes, lofts, garages, and suitcases. Once you seal the bag, it will stay vacuumed until you unseal it, no air in-or out. Airtight protection is against dust, dirt, humidity, mold or any bad surprises. Reusable! Best in Market; other bags are using Turbo valves, which produced in China and in first attempt, their valves, are to suck up by vacuum cleaners and the products RIP. Blacc Vacuum Bags equipped with latest tech valves and the air shall not PASS! Best in Market; the valves specially designed in order not to suck in the vacuum cleaners Blacc Vacuum Bags equipped with latest tech valves and the air shall not PASS! , you can squeeze in all your clothes, blankets, comforters, pillows Hand Pump or any vacuum cleaner; Just seal the bag in the zip after storage then either use Any vacuum cleaner or the Hand pump you will find in the box. Moreover, the Hand Pumps are ready to use when you are in Travel, or in Camping activities Set Pack of 6 includes : 6 XLarge Flat: 23, 6” X 31, 4” (60cm X 80cm); #22