Lightweight Travel Backpack Women, Carry On Backpack,Hiking Backpack Outdoor Sports Rucksack Casual Daypack School Bag Fit 14 Inch Laptop,Multi-Pocket College School Bag,Airline Approved Hiking Laptop Backpack The internal structure of the bag: zipper pocket, mobile phone pocket, document pocket, interlayer zipper pocket, computer pocket, camera pocket Opening method: zipper Applicable gender: Material: Nylon Function: breathable, wear-resistant, anti-theft, shock-resistant, capacity expansion, load reduction, anti-cut pattern: plain Lining: Nylon Bag shapes: square vertical section.