Rubbermaid TakeAlongs Deep Square Food Storage Container (Set of 4)

With the Quik Clik Seal?, TakeAlongs lids click into place letting you know when contents are secured. The lids have ridges for easy stacking, and the bases have graduation marks for handy measuring. Safe to use in the microwave, freezer and dishwasher, the TakeAlongs lid design allows you to worry about one less thing. If you hear the click, you know your seal is secure.