Size: 50L Size Details: 50L: Width 32cm, Thickness 15-27cm, Height 51cm *Please note that there may be a 1-3cm discrepancy in the actual size of the product. Material: Oxford Nylon Color: Solid, with logo A 50L large-capacity backpack! Perfect for both commuting and business trips! The surface material uses high-density fabric that is resistant to scratches, achieving abrasion resistance and durability, and providing strong protection against water and dirt. With many pockets, it's easy to organize, and small items won't get lost in your bag. It comes with a USB port, useful for daily commutes, and a shoe case, useful for business trips, travel, and outdoor activities. The main storage area expands when you open the zipper! You can use it as a large-capacity backpack. The exterior and main storage area have double zippers that open wide to the sides, making it easy to take things in and out, and it can hold a lot! Both functions are well-equipped, so it's sure to be a great help both on and off duty.