This clear 18 quart square container saves you shelf space by holding up to 25% more than a round container of the same size. It's break‐resistant Polycarbonate construction is smooth, easy to clean and dishwasher safe, with clear measurement gradations marked in red and . This container withstands temperatures from ‐40°F to 212°F and also nests when not in use. In compliance with California AB1200 and Colorado HB22-1345 Rubbermaid has notified us that this product contains BPA.