On Amazon where they are offering up to 50% off select LocknLock Container Sets!
LocknLock 38-Piece Easy Essentials Food Storage Container Set
, Just $29.99 shipped (regularly $57.99)!
Each set has an array of different-sized containers, and they have locking lids that will help seal all kinds of food inside. You can use these for leftovers or to store cut-up fruits or vegetables! Plus, they are freezer, refrigerator, and dishwasher safe.