Applicable gender: neutral/both sexes Applicable school age: 5-6 grades Material: Oxford cloth Function: breathable, waterproof, load-reducing Style: modern and cool Lining texture: polyester Pattern: solid color Popular elements: sewing lines, contrasting colors, splicing Image: Buzz Lightyear Color: Green large size, green trumpet, orange large size, orange trumpet, purple large size, purple trumpet, pink large size, pink trumpet, black large size, black trumpet, royal blue large size, royal blue trumpet, green large size + pen bag + tutorial bag, green trumpet + pen bag + tutorial bag, orange large size + pen bag + tutorial bag, orange trumpet + pen bag + tutorial bag, purple large size + pen bag + tutorial bag, purple trumpet + pen bag + tutorial bag, pink large size + pen bag + tutorial bag, pink trumpet + pen bag + tutorial bag, black large size + pen bag + tutorial bag, black trumpet + pen bag + tutorial bag, royal blue large size + pen bag + tutorial bag, royal blue trumpet + pen bag + tutorial bag Applicable scenarios: school education Carrying system: curved shoulder strap