Printing: Printing character printing elements with vivid colors and full recognition.Large capacity layered storage: including main compartment, front bag+side bag, orderly classification and storage of textbooks and digital products.Durable and splash proof: With the addition of waterproof coating, it can protect objects in rainy weather and easily wipe away stains.Comfortable carrying: widened adjustable shoulder straps+breathable backboard, long back without fatigue, suitable for students and commuters.Multi scenario adaptation: The trendy and cool appearance is suitable for school, support, and travel, and both personal use and gifting show taste.