What brand of backpack is Dave?

Eve is a negative backpack. According to the relevant public information, the applicant of Aifu is Italian Aifu Furniture Co., Ltd., and the Aifu brand backpack has built-in AW light backpack system developed by Aihuashi patent. With the elastic rubber shoulder strap, it produces elasticity when loading, which greatly reduces the sense of loading and makes every step of the journey lighter and lighter.