1.INCLUDES: Vacuum Pump and 3 reusable Containers;500ML, 1400ML, and 3000ML. 2.KEEP FOOD FRESH LONGER: Reduce waste; preserves nutrients, flavor, and longevity of your food with easy use of vacuum system. By removing most of the Oxygen, reduce the speed of oxidation, growth of microorganisms and mold which causing bacteria. 3.EASY TO USE: Vacuum indicator valve lets you know your food is securely sealed and freshness locked in. 4.SAFETY--Food grade plastic material.LFGB & FDA approved. 5.COMPATIBLE with all LAIMENG Vacuum Sealing Appliances. If hose needed, please purchase separately. 6.FAST SHIPPING--Local delivery in Russian Federation.