HEROIC KNIGHT Travel Laptop Backpack, Flight Approved Carry on Backpack, 17.3 Inch Water Resistant Busines Laptop Rucksack, Hand Luggage Bag With USB Charging Port, Underseat Cabin Bag For Men WomenMULTIFUNCTIONAL STORAGEThe casual daypack is composed of a front pocket, a main pocket and a digital pocket. The front pocket is suitable for storing some commonly used items for easy access. The back pocket of large backpack can hold up to 17. 3 inch laptops. There is also an invisible anti theft bag on the back of the laptop rucksack to protect your important items.