Also you don't have to worry about breathing in laundry dustWell, one benefit to them is the lack of weight for older people as I mentioned earlier, but also, you can truly measure out how much you are using. I know the lids have lines, but when you're pouring that out, you don't get all of the detergent out of those bottles, so with each one, you are wasting some of the detergent in my opinion.