It is very durable. I'm 3 weeks into using it and the wheels are still working great. The only (gross) thing is that hair gets stuck in the wheels (think vacuum). Not sure what to do about that yet. I fit my lap top (16 in.), power cord, 2 law books, 2 notebooks, and a wallet and a few other person items in it. Great, great bag!
The Samsonite Quantum Wheeled Toploader features a laptop area that holds up to a 15.6" screen, an overnighter compartment, and an accessory organizer. This case also has inline wheels, a retrractable handle, and Accent Green zipper lining.