How Much Can the Pelican 1535 Fit?

Is the top zipper system unique? I’m not sure if it’s normal, but I like the design. It makes really good use of what would normally be dead space. I fit (1) laptop, (1) portable monitor, (1) Manila folder with a few sheets of notes, (2) wrist braces, (1) pen, (1) mouse, (1) mousepad. All in the top part. So trying to rearrange to fit my charger and all my work stuff will be there. The bottom part was free for my clothes and sundries. It falls over backwards when pen because it’s so top heavy, but it’s a really nice light unit and I was even able to put it in the overhead bin by myself on the plane. It is nice to not have to worry about the safety of my laptop since you can theoretically drive a truck over the car without damage. The laptop bag I had before always made me nervous. The ruling is fine. The handle telescoping mechanism is a little clunky, but it’s fine. Would be great if the wheels turned in all directions insured of just rolling forward and backwards. That sideways motion really makes a difference, especially in airports. The latching mechanism takes a little getting used to, but I like it.