I like this product because it's portable and cleans well. You can use hot or cold water depending on color fastness of the material or what you prefer. You can buy premixed cleaning solution or make your own, which I do. It's good for small areas and mattresses.
what I don't like is that the machine itself is hard to clean and you get build up of dirt in the dirty water receptacle and in the plastic part of the wand. If you prefer a machine that heats the water and has steam you're out of luck here.