Designed for the Easy Shine Applicator and Scotch Brite Professional 2 in 1 Backpack, these pouches can be filled with cleaning chemicals or floor finishes/protectors and are able to be used with the 3M Easy Shine Floor Finish Applicator. The replacement part is easy to use. Simply wash and refill. These empty, 1 gallon pouches can hold most conventional floor finishes and cleaning chemicals. They come with blank labels.