Paper card box - with minimalism, environmental protection and high cost performance as the core, create an innovation of lightweight packaging. The custom card box type adopts single-piece cardboard die-cutting and folding, which is suitable for high-frequency and low-cost scenarios such as small items in e-commerce and sample trials. The base material is selected as 350g-600g white card, with a matte or glossy film on the surface, which is wear-resistant and tear-resistant. The structure can be designed with fixed sockets and perforated Windows to directly display the physical goods, reducing the waste of secondary packaging. In terms of advantages, the utilization rate of a single sheet of paper exceeds 95%, and the unit price is 40% lower than that of traditional box types. Compatible with variable data printing (such as independent numbering and customized copy), it meets the personalized repackaging needs of small items such as beauty samples and cultural and creative stickers. It is suitable for commercial scenarios such as fast-moving consumer goods promotion sets and light luxury accessory collection stores that need to balance cost efficiency and brand tone.