Lock and Lock's containers have patented four-hinge locking system with a silicone seal ensures the container is 100 percent liquid and airtight, keeping food fresher for longer. The flexible and durable hinge remains tight after repeated use. Low permeability factor of containers ensures food stays fresher for longer. Impact, scratch, heat and stain resistant material ensures the containers are long-lasting and also ideal for transportation. Stackable, space saving design is ideal for storing foods and keeping the kitchen cupboards and fridge neat and tidy. Set contains 1 x 350 ml and 2 x 470 ml capacity rectangular container.