This stylish backpack is made with water-repellent durable nylon fabric which can resist most tear. The backpack has a dual-access zipper with anti-theft design, and it allows easy access and increased safety. The backpack is designed to protect and secure your laptop, and it can hold up to 15.6-inch laptop. The laptop compartment has a dimension of 14.6 x 9.6 x 1.4 inches. External USB interface with built-in charging cable. Please note the backpack does not come with a power bank. It comes with a multi-compartment design which includes 1 large packing compartment, separate laptop compartment, tablet holder, and Internal pocket organizer for business, college, school and daily use. The back of the bag is designed with thick and soft multi-panel ventilated padding which gives you a comfortable airflow and also gives you maximum back support. The breathable and adjustable shoulder straps relieve the stress of the shoulder. The design makes it ideal for almost any occasion. One special about this backpack is the pink color comes in different color, so if you don’t like the pink you can pick another color.