The main part of the "chair" is composed of 1 larger round board and 2 smaller round boards. It is arranged in a symmetrical balance from top to bottom. The secondary part is supported by three wooden poles with the same diameter and one. A slightly smaller wooden pole is used as the support of the lower structure.

"Rack chair" can be understood as a multifunctional product that combines "rack" and "chair. "Frame" is not only the form of the product, but also emphasizes the multi-level shelf form of the product. At the same time, "frame" and "drive" with the same voice, giving the product a relationship with human interaction-horse riding.

"Rack chair" can be used as "bar chair" and "writing chair" to place items when idle.