1.Merax backpack: moderate price, good quality, suitable for students.

2.Kipling Kapulin backpack: stylish design, durable materials, suitable for daily use.

3. Herchel Supko. Backpack: well-known brand, reliable quality, suitable for traveling or going to school.

4.JanSport jansport backpack: classic style, durable and practical, suitable for students and office workers.

5.nikeairzoompegassus backpack: light and comfortable, suitable for running or fitness.

6.AdidasOriginalsTrefoil backpack: classic design, suitable for daily collocation, large capacity and practical.

7. Andema Andema sports backpack: sports style, waterproof material, suitable for outdoor activities.

8.FjallravenKanken backpack: Swedish brand, simple and fashionable, suitable for leisure or travel.

9.TopoDesigns backpack: environmentally friendly materials, multi-functional design, suitable for urban life.

10.Patagonianopuff jacket backpack: stylish and practical, suitable for outdoor enthusiasts.

Please note that these suggestions are for reference only. Please choose according to your personal needs and budget when purchasing.