Applicable gender: neutral/both men and women Applicable school age: 5th-6th grade Material: Oxford cloth Function: breathable, waterproof, wear-resistant, burden reduction Style: modern and cool Lining texture: polyester Pattern: stripes Popular elements: sewing thread, contrasting color Color: royal blue and green large size, royal blue and green small size, royal blue and pink large size, royal blue and pink small size, water blue large size, water blue small size, purple large size, purple small size, royal blue and red large size, royal blue and red small size Applicable scenarios: school education Carrying system: air cushion strap