Lightweight and Convenient The size of laptop backpack is 16.5x11.8x3.1inch(42x30x8cm). Comes with a separate laptop compartment that can accommodate a 15.6-inch laptop as well as 15-inch, 14-inch and 13-inch laptops. The weight is 650g, and only 10cm thick, which is lightweight and slim, making it comfortable for carrying long time. Keep Your Laptop Safe and Secure The high-strength cushioning and shock-absorbing EPE material filling and velvet lining inside the laptop bag can better protect your laptop, and the design of the elastic band can secure your laptop from shaking. This ultra-thin men's laptop backpack can provide the best protection for your notebook. Comfortable and Durable Wider shoulder straps can relieve the pressure of carrying for a long time. The mesh back panel design allows enough air circulation around the back to keep you cool while walking. Hidden anti-theft back pocket in the back for storing important items such as mobile phones or I