Original ecological kraft paper, recyclable, biodegradable, green, environmentally friendly and healthy, thickened three-layer corrugated, with excellent compressive and tear resistance and high load-bearing performance. The surface can be treated with waterproof and moisture-proof measures, which can effectively protect the box from rainwater infiltration and prevent deformation and collapse. It has high load-bearing performance and is not easy to deform and collapse, effectively protecting internal goods and suitable for small items. Compared with conventional cardboard boxes, it can quickly improve packaging efficiency and effectively save time and tape costs. Customizable; Kraft paper yellow, white kraft paper, black kraft paper size, printed text logo, hardness, high brand image.