GearMax 15.6 Notebook Laptop Backpack For Men Outdoor Book School Bag for travel school work outdoor Class function classification, design of main bag with large capacity + multiple auxiliary bags, combination of interior and exterior providing a comfortable life One bag with three types: handbag, messenger bag and backpack Streamline shape made of water-proof nylon, with super density and wear-resistant performance Providing excellent protection for the laptop and real protection guaranteed by special anti-vibration material Suitable for 15.6/17 inch laptop