1. Multifunctional Hard Shell Laptop Backpack - -piece geometric appearance is endowed with minimalist aesthetics to add beauty to your journey. The 180-degree opening of the backpack makes it easier to take it out. Inside, there are multiple storage pockets to keep things organized. And it protects . 2. Hardshell is waterproof, scratch- and to crushing. The soft padded backrest can reduce the stuffiness of the back when carry the travel backpack for a long time. The polyester lining is and soft, both preventing the fabric from fraying and protecting your computer from scratches. 3. Upgrade USB Charging Port - This gaming backpack features exterior USB charge port, built-in charge cable and the power bank pouch (power bank not included). In addition, you need another data cable to connect to your phone to charge. Then you can enjoy using your any electical devices whiling charging anytime anywhere. 4. Dual Anti-theft Desigh - dual-access zippers with anti-theft lock design allows for easy access and increases which can also provide a private space . And the hidden zipper pocket on the back of this backpack can also protect your valuable items from thieves. Colour:Dark Gray Material:Polyester Size:17-18Inch Package Contents: 1 * hard shell backpack Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.