Panels and support bases are molded into one piece at a time. The support base features a checkered pattern, with the top surface reinforced by arched ribs that intersect. The two lower sides are nested together to form a single unit, and screws are used for reinforcement to enhance the fit of the top and bottom surfaces. The design allows for forklift access from all four sides, making it suitable for stacking and shelf use. For ease of transportation, the top and bottom can be separated for shipping, saving space and transportation costs.