Rubbermaid TakeAlongs Food Storage Container 5.2 Cups 2pk. of 2 (4 total) Quik Clik SealTM - Improved lid clicks in place, ensuring contents are secure Bases have graduation marks for handy measuring Lids are ridged for easier stacking Microwave reheatable, top rack dishwasher safe and freezer safe Bases and Lids are BPA FREE