Food Grade Material: The ingredient bin is made of food grade PP material, which is safe, sturdy and, environmentally friendly. Accurate Measurement: There is a scale display on the side of the flour bins on wheels to accurately measure the internal volume. And a measuring cup is also given to make the amount of each meal more scientific. Wide Applications: The rice bucket can store rice, flour, bean, cereal, other dry grains or pet food. Humanized Design: The bottom of dry food container is equipped with 4 rotating wheels, which can be moved anywhere. The wheels can be disassembled. In addition, handle design on both sides make it easier to move. Double Sealing: The flip cover and top of rice storage container is designed with rubber sealing ring, effectively moisture-proof.