Perfect for storing bulk-type items, such as grains, shavings, liquids, connectors, fasteners, just about anything. Unique reinforced stacking lugs on all four corners add strength, rigidity, and help prevent container "lock-up" or jamming when stacked together. Even stack with other popular brands. Wide, easy-grip recessed handles with drain holes provide maximum grip without sacrificing shelf space. NSF listed and dishwasher safe. Side gallon & liter capacity indicators are color-coded to match lids; lids have content indicators, containers have date indicators on the side. Polycarbonate.