This way, everyone can customize their own salad. Then, I put all the smaller bags in the larger bag. I put the lettuce/spinach in a large Ziploc bag and I put the toppings in smaller bags. If you keep bags of several sizes on hand, it's a great way to keep salad toppings sorted. I use them for taking fresh bread, rolls, and green salads. The bags are less expensive than containers and work for many items. Ziploc bags - If I can put a meal item in a Ziploc bag, I usually do.These are great for casseroles, lasagna, baked desserts, etc. Gladware also offers 8x8 and 9x12 disposable ovenware that even comes with a lid. These containers are great for taking cold items like chopped fruit, applesauce, muffins, cookies, etc. Gladware - There are several brands of this type of container and I'm referring to the plastic containers that come in various sizes with colored lids.Now, I always keep the following items on hand: