Gladware containers makes a "To-Go" line; a container with a smaller container that fits in the round part of the lid from when they changed their design so lids snapped together. So they are inexpensive, easy to find (mine came from Target), only have one lid to keep track of, and if the dressing conatiner were to come knocked loose (has not happened to me) it'll just fall in the salad instad of mking making a huge mess. http://www.glad.com/products/food-storage/containers/glad-to-go-lunch/

Gladware containers makes a "To-Go" line; a container with a smaller container that fits in the round part of the lid from when they changed their design so lids snapped together. So they are inexpensive, easy to find (mine came from Target), only have one lid to keep track of, and if the dressing conatiner were to come knocked loose (has not happened to me) it'll just fall in the salad instad of mking a huge mess. http://www.glad.com/products/food-storage/containers/glad-to-go-lunch/