This Joseph Joseph Nest Lock food storage container set features a space-saving, nesting design with easy-find, snap-together lids and colour-coded bases. The containers are airtight, leakproof, and stackable, making them ideal for keeping food fresh. They are also freezer, microwave, and dishwasher safe (top rack only) and BPA-free. The set includes four containers with capacities of 380 ml, 670 ml, 1 L, and 1.6 L.