Lenovo Urban Line is a case collection focusing on lightweight, clean lines and modern details for young professionals' daily commute and occasional travel. This 15.6" urban backpack B530 is made of durable and water-resistant polyester with a farily light weight and 17 liter capacity. Fully padded PC compartment provides great protection to your devices. Reserved charging opening is for easy charge on-the-go. Square in shape and low-key in color make it suitable for both formal occasions and casual parties.