Store, organize, and pack a variety of foods with these Rubbermaid® TakeAlongs® 2.1-Cup Deep Squares Food Storage Containers. The serving size makes them ideal for a snack, sauce, dressing, or other small portions. The snap of the QuikClik Seal lids helps you know they're closed tight, and graduation marks help you neatly measure out portions. These stackable BPA-free containers are freezer and top-rack dishwasher safe, and have microwave-safe bases.