A. On the basis of the original rice sack packaging (traditional and environmentally friendly), the outer packaging of hard kraft paper is added. B. The portable stress point on the outer packaging can reduce the pressure on the palm of the hand when taking rice, making it more convenient to carry rice. C. When pouring rice into the barrel, the oblique angle of contact with the ground under the outer packaging can make the action more economical and slow, reduce unnecessary waste caused by movement errors.