Mens Business Laptop Backpack for 15.6 Inch Large Rucksack with Charging Port Computer Bag Durable Anti-Theft High-Tech Daypack Water-Resistant Casual Daypack for Office College Weekender-BlackSpacious Space & Pockects: The laptop backpack includes 3 main zip pockets and multiple compartments. Rucksack for men has a separate laptop compartment and tablet compartment, It can fit a 15. 6 inch laptop and a 12. 9 inch ipad. The main compartment is spacious and large, can hold 2 3 days worth of personal items, and the front zippered pocket for your certificate and small items. There are 5 inside pockets in the front pocket for phone and pens,