Heavy construction with lots of non-slip material makes me very confident using it with my 13 inch iPad. Three height levels cover every type of activity - drawing, writing, watching videos, reading. I'm picky about my ergonomics and use it every day. You'll feel the weight as you move it from room to room, but there's nothing you can do about it and it doesn't matter. One curious flaw, however, as others have pointed out, is the posable legs on the tallest leg. They are just as fragile as the…