Those might work. However, the taller the thing is from the top of the handles to the bottom, the higher up you have to pull it. Or, the worse that it will hang down closer to the bear. You could beat part of that by shortening the handle straps.
Also, it is a good idea to hang food in a dark-colored bag rather than a brightly colored bag.
Bears operate to find the food by several methods. First, they remember about where the backpacker camps used to be, so they know where to start searching. Then they operate by sense of smell. If you can keep your food tightly air sealed, it might help. Then when the bear gets close enough to smell the food, it starts looking upward. If it sees a brightly-colored bag with a white rope running to it, it knows it has a target. A dark-colored bag and rope might help there.
I've had bears in camp, and they were all climbing the trees looking for the food, but they never scored any.