Okay, this MARK RYDEN backpack is basically your all-in-one solution for work, school, or travel. First up - it fits a 15.6-inch laptop in a separate padded compartment, plus there's a ton of space in the main section for books, clothes for a short trip, or whatever you're carrying. The cool tech features? There's a USB charging port on the outside (you put your power bank inside and plug your phone into the port) and a headphone jack so you can listen to music hands-free. There's even a hidden anti-theft pocket against your back for your phone, wallet, and passport. The back has breathable mesh padding so you don't get all sweaty, and the shoulder straps are super comfy with plenty of padding. It's made from waterproof Oxford fabric, has YKK zippers (the good ones that won't break), and there's even a strap to attach it to your suitcase handle. Dimensions are 11.8 x 5.9 x 18.1 inches. Seriously, this backpack has thought of everything.