Is your spice collection growing? Trudeau's STAK™ Single Large Jar is sold separately so you can add as many as you need to your current collection. The jar is completely compatible and can be stacked on top of another small or large bottle. A dual shaker insert is included for either a sprinkle or scoop of spices, such as oregano or basil, whatever your recipe calls for. You can fill up to 6,8 oz / 200 ml of spices per jar, now that's enough to create many delicious home cooked meals.