Smart S emerges in the post-pandemic era during which the global supply environment continues to deteriorate, material costs rise and shipping prices remain high. Compared with other products of the same size, the packing volume of folded Smart S is 1/5 of the similar products. Its folding installation greatly decreases the carbon emissions of the logistics process and also reduces packaging to avoid secondary pollution. We care about the environment we live in while reducing logistics costs. Moreover, Smart S provides easier input to consumers. It is simple and easy to install, concise and fashionable in appearance. The seat back is fixed on the bracket with a rotary folding structure to visually achieve a sense of suspension.