Applicable gender: Neutral/Both men and women,Applicable age: Junior high school and above,Texture of material: Oxford,Capacity: 20-35L,Package internal structure: Mobile phone bag,Open cover method: Zipper,Function: Alleviate excessive burden,Ventilation,Shoulder girdle: Double root,Style: Europe and America,Material texture: Polyester fiber,Fashion element: Printing,Accessories category: Rope buckle,Lift parts: Soft,Applicable occasions: Opening Ceremony,Birthday,Memorial Award,The Wedding,Advertising promotion,Processing method: Printing,Hardness: Medium soft