Men's Business Fashion Backpack with Password Lock Waterproof Computer Bag Anti-Theft Large Capacity Description Color: Grey;Black Product information: Product name: Backpack Function: waterproof, breathable, brightening lining Material: Polyester Size: length 30cm, width 14cm, height 42cm Shoulder strap: adjustable practical size and internal storage space Large capacity and reasonable separation layout Selected high-density nylon fabrics have characteristics Wear-resistant, scratch-resistant, waterproof, anti-fouling Package List: 1 x Men Business Backpack Due to different measurement methods, please allow a measurement error of 2-3cm. Due to the problem of shooting tools and light, please allow the color difference between the picture and the product.