Normally, this is a canvas messenger bag, come with two handles and a shoulder strap, It is very convenient to carry. Also the shoulder strap can be dismantled, two handles can be hidden in the Pockets. Take out two backpack strap from the back zipper pocket, can be use a laptop backpack.nAbout the bag material and accessories. High density, durable canvas surface and soft cotton lining, come with a bit of leather straps. Polished metal zipper puller, metal buckles and hook buckles never be broken. Built-in shockproof foam padded better protects the laptop.nThis bag inside main structure, design in two compartments and a zipper pocket. Main compartment holds laptop which under 14 inches, another compartment holds laptop charger, books or daily use items like notebook, power bank. The zipper pocket holds your valuable wallet and cellphone.nDIMENSIONS: 15.1 x 5.1 x 11.2 inch. I know you care about that, this bag can holds all brand laptop, fits 14 inches screen laptop. Generally, this bag can meet your all day works or study need.nAnd a free adjustable shoulder strap, if you as a briefcases when you go to work, maybe you do not need it. But when you after work or appointments, this shoulder strap is useful. Your hands can hug your girlfriend at the moment.n.