LOVEVOOK Laptop Backpack for Women, 15.6 inch Waterproof 。-High-quality materials: 11.4 inches x 7 inches x 15.7 inches (length x width x height), capacity: 20 liters. The laptop backpack is made of Water Resistant and durable polyester fabric with metal zippers, reinforced edges, and a steel frame with the main compartment to maintain the perfect shape and durability of the backpack. -Multifunctional backpack: 2 front pockets, 4 internal pockets, 2 external pockets, 1 main pocket, 1 laptop compartment with 15.6-inch laptop padding, 1 iPad pocket, and 1 internal zipper pocket, The spacious backpack is equipped with a steel frame and anti-drop function and anti-theft function. There is a zipper on the back of the main compartment, which keeps the bag in perfect shape and is durable. -USB port design: The side of the backpack has an extended USB charging port and a built-in charging cable. When carrying a backpack on the journey, it can easily charge the phone (not including the power bank).