Keeps food fresh up to five times longer than non-vacuum storage methodssave time and money Reduces food and plastic waste Exclusive Fresh & Save technology preserves flavors and nutrients and prevents freezer burn ZWILLING Culinary World app tracks when you store food and when it will spoil helping to reduce food waste. Expert German engineering. Cordless vacuum pump is fast, quiet, and easy to use MARINATE FASTER: Lock in flavor in just 30 minutes by marinating under vacuum seal. For food to stay fresh up to 5X longer, pump required (not included).