Size: 45 x 32 x 13 cm, suitable for 15.6 inch laptop, 10.5 inch iPad, spacious main pocket for folders, A4 paper, clothes and other items. * Comes with a separate storage board for small items such as pens. Unique Diamond Look Backpack: This backpack features a PC hard panel on the front to protect your belongings from violent impact. In the face of sharp knives, it can also protect your personal safety. With TSA anti-theft device. Suitable for many occasions such as travel, work, college, etc. PREMIUM WATERPROOF FABRIC: Made of premium water-resistant nylon fabric, this casual backpack is durable and washable to protect your digital gadgets in unexpected heavy rain. USB Charging Port: Built-in USB port, you can easily charge your phone by connecting your own power bank without opening the backpack during travel. An essential backpack for cyclists and motorcycle enthusiasts. Why you should choose us: We have developed a technical backpack with a three-dimensional U-shaped design that contributes to ventilation and heat dissipation at the back. The cotton lining prevents scratches on the surface of digital products. Branded YKK zippers make the backpack more durable.