Rubbermaid LuncBlox Tall Pack makes packing lunch easy. These Rubbermaid Storage Containers snap together in multiple configurations to efficiently use the space in your lunch box or bag. Each Container has portions for your favorite lunch foods with handy measurements on the sides of each container. These containers offer a secure lid seal, which makes your food less likely to spill. These containers are also BPA free and environmentally friendly. These containers are conveniently sized to fit in most lunch boxes or bags. They are also microwave, dishwasher and freezer safe.