The LocknLock Interlock Container is ideal for storing a variety of grains inside your refrigerator or cupboard. The Container has a unique interlocking system which allows you to stack the Containers snugly. The interlocking Container has a screw-type lid and the base of the container has a unique design which allows you to interlock the base of another Container onto the lid. Interlocking the containers provides you with a compact storage solution. The containers are BPA free and transparent, making it easy to organise your pantry, fridge and home. The Container has a space saving shape design. Not recommended for the Dishwasher or Microwave.