This is a new watercolor pen set’s design, with the support plate, it can be displayed, hung and folded. The hanging hole and support plate is convenient for shops and users to hang and place it. When in use, the box can be supported, it is convenient for users to choose pens, and the support plate can also be infolded and then hided, is convenient for the packing and storage. With a simple shape and a slightly raised long handle, consider the convenience of open and close for the users. It’s section is oval-shaped, which meets both the anti-roll and ergonomic comfort of holding. The colorful pattern on the penholder is correspondingly combined with the hollow space of the case, the integral appearance is more beautiful. With an integrated die sinking design, it greatly saves costs, and conforms to the environmental protection concept advocated by modern society.