The Waterproof Canvas Travel Backpack Bag with USB Port is the perfect companion for your travel adventures. Made from durable canvas material, this backpack keeps your belongings safe and dry in any weather conditions. The built-in USB port allows you to conveniently charge your devices on the go, ensuring you stay connected wherever you are. With its spacious design and practical features, this backpack is an ideal choice for all your travel needs. Bag size: Large Material: Nylon Imported Product measurements: FUNCTIONALITY: Inside, the main pocket accommodates up to a 15.6-inch laptop, with two small open pockets. Externally, there's a front side pocket and two side pockets for extra storage. CONVENIENT USB PORT DESIGN: Featuring a built-in detachable USB cable, this backpack allows convenient charging of electronic devices with your own power bank. (POWER BANK NOT INCLUDED) LARGER CAPACITY: With room for a 15.6" computer, tablet, glasses, wallet, keys, earphones, power bank, cell phone, documents, and clothes. WATERPROOF, STURDY, LIGHTWEIGHT: Crafted from water-resistant and durable nylon fabric, this backpack keeps your belongings dry and protected. Padded, breathable, and adjustable straps ensure comfort and prevent shoulder strain. Product Measurements (Measurements by inches) & Size Conversion Size Actual Length Actual Height Actual Width One Size 16 11 8