Lettuce, Melon, Tomato, Onion and Vegetable Keeper Storage Containers - Set of 2 Instead of rewrapping your lettuce store it neatly in our lettuce storage containers so they will stay fresh. Flat storage for saving space in the refrigerator. Plastic food storage containers has a hinged snap on lid and is dishwasher safe. Lettuce 7" diameter at bottom x 5" high Tomato 4" diameter at bottom x 3" high