Dry goods such as herbs & spices, coffee, tea, sugar, nuts, candies, dried fruit, protein powder, vitamins will all last 3x longer. The soda can size 6-ounce, Snackvac is ideal for the kitchen, office, road trips, and school lunches. Refrigerated items such as cheese, lettuce, parsley, basil, cut onions, scallions, zucchini, and most leafy vegetables will serve 2x longer.