This is a Wiersoon Waterproof Anti-Theft Backpack, built with so much details. The zippers in addition to the number lock systems means that your items are somewhat secure from theft. Made from waterproof materials, it is able to withstand delicate conditions; even weatherproof. You ae able to adjust the straps for a more comfort fit. The in-built USB charging ports means that your laptop and other chargeable gadgets are charged as the need arises. As the bag is made with plenty of storage pockets, this means that you are able to keep as many items as possible safe with you as you move along. There is no doubt that this backpack is highly fashionable and as such makes you stand out when you carry it!