1. This backpack is durable, soft, lightweight, and comfortable to wear. It is very sturdy, tear-resistant, and waterproof. The main fabric is polyester. 2. This backpack has two large compartments and two small compartments. It can hold your laptop and other personal items. The multiple compartments allow you to easily find your things. This backpack has two shoulder straps for normal carrying on the shoulders, and there is also a handle on the top, so it can be carried like a briefcase. There is a strap on the back of the backpack that allows you to hang the backpack on the handle of a suitcase, which is very convenient for travel. 3. Laptop protection design: The laptop compartment is padded to ensure the safety of the computer. There is also a strap to secure the laptop, which can prevent the computer from slipping or moving. 4. This backpack has a USB port with a data cable, so you can conveniently connect your own power source (not included) to charge electronic devices.