New JanSport Century Brief III 17" Laptop Messenger Bag Black Navy Adjustable shoulder strap with padding for a comfortable and snug fit. Internal pocket will fit up to a 15.6" laptop. Laptop Dimensions: 11" x 15.5" x 1.5" Organizing pocket under flap helps keep all your gear tidy. Spacious main compartment for all your essentials. Front and back pockets makes extra storage with easy access. Dimensions: 13" x 17.75" x 5"