The Containers have an air tight seal that completely locks the Crisp & flavour of the contents you put in as does not lose moisture. The taste and nutritive value of the contents remains intact for a long time making the containers very appropriate for storing dry food, pulses, and spices. Easy to open lid: The Containers have swift & easy to operate lid, Ideal for dry food, pulses, spices. The lid design ensures that the flavour remains intact.