Koji Armchair is inspired by the Christmas gift of cane candy, bringing users holiday like surprises, conveying the warmth and sweetness of candy, and bringing relaxation and joy to busy lives.The designer captured the unique curved shape of Koji Armchair, combined in a stacked form and integrated into the software design of the product, as if carrying a sweet childlike heart, just running out of Santa Claus's candy jar, full of joy and vitality. The proportion and scale changes of the two-layer design of the soft package have been deeply considered, and after multiple sponge ratio adjustments, the human-machine comfort has been greatly improved.