Find the right lid, right now! The Rubbermaid Square Food Storage Container features the Rubbermaid EasyFindLids system: the lid snaps on to the container base as well as other same-size lids, so that the right lid is always at your fingertips. This square container nests easily with others to give you more space in the fridge or cupboard. Container is BPA free, Microwave Safe, Dishwasher Safe, and Freezer Safe.