Deni Magic Vac Genius Kit. The Magic Vac Genius is a commercial quality vacuum packaging system. Preserve the freshness, flavor, color and nutrients of food for up to five times as long as conventional food storage methods. Countless items can be stored and preserved in the patented airtight bags. You will save money by having less food waste and by being able to buy in bulk. Features include: FULLY AUTOMATIC ? Easy electronic one-touch operationPatented vacuum chamber system Hose port for vacuum packing in canisters, bottles and jarsSave hundreds of dollars on your annual grocery bill by buying in bulkSave time by preparing meals in advanceKeep supplies dry during camping and travelingPrevent silver from tarnishingProtect cherished photos and documentsSecond generation bagging material with new rib design for maximum air extractionPatented 3-ply bags are microwave, freezer and boil-in-bag safeIncludes one 11.5 in. x 20 ft. roll, and twenty 8 in. x 12 in. pre-cut bags.Wide mouth jar attachment