Traveling backpack.What kind of travel backpack can meet the needs of users for long-distance travel? First of all, you have to consider that there are many items you need to bring for long-distance travel, such as clothing, laptops for work and study, iPad, personal toiletries, care products, shoes and many other items. However, this requires a very large travel backpack. Accommodate items you use for long-distance travel. Therefore, we have formulated the best travel backpack purchasing guide for this situation: