In 2014 I bought a laptop backpack. I’d been looking for one that both wheels AND has backpack shoulder straps.
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$103.99 on Amazon. I got it on sale for CAD $103 at an Airport shop.
Within a year the wheels were already getting bad. I finally junked it March 2018.
On the road I had to replace it. Best I could find in Miami was exactly the SAME Spinner Backpack. This time it cost me US $126 + tax.
Though it’s not very durable, there are many features I really do like about the Spinner. It’s lightweight. The elevated laptop cannot hit the ground. And four wheels truly are better than two.