Vacuum-Sealed ProtectionVacuum sealing drastically reduces the effects of oxidation and retards growth of mildew specifically. With the vacuum bags, textiles are safely protected from dust, moisture, and small animals. Whether in the basement or under the bed, the contents of the bag remain 100% protected. ReusableAllows easy closing of the bag. The double seal provides an even better seal and is 100% airtight. Pack your items worry free. Easy To UseStore your items in 3 simple steps :pack your items, zip the bag shut, vacuum out the air. Directions: 1. Dry your belongings thoroughly, fold them to size, and put them into the storage bag. 2.After stopping the chuck, slide the slider from left to right to seal. Slide repeatedly to prevent air leaks. 3. Open the valve lid by turning it and use a vacuum cleaner to vacuum air out. 4.After discharging the air in the compression bag, close the valve of the compression bag. Triple Seal Valve Ensure no air gets back into the storage bags with the ultra-secure triple seal turbo valve. Please DO NOT PULL OUT THE RUBBER MAT inserted in the cap. It prevents air from coming inside. Space Saver Bags - Free up 80% of Your Space As the seasons change, you may find that you really want to change your wardrobe. When youre low on space or need to put away your extra large items such as duvets, blankets, big towels, down jackets and pillows, clothes etc. This a must have. Keep your clothes and bedding in pristine condition by storing your items in our waterproof vacuum storage bags, and keep them from dust, mildew and odour etc. Saving 80% space for your home and suitcases, providing you the best storage solution. More Sizes than any other . Jumbo: 110x90cm, Jumbo: 110x80cm, Jumbo: 100x80cm, Large A:60x80cm, Large B: 70x90cm, Medium: Small A:50x70cm, Small B 60x40cm. Just Choose the size you want