To use this curtain, simply install it on your window. It's very easy to set up. When it comes to washing, you can either use a machine or wash it by hand. If you choose to hand - wash, make sure the water temperature is below 90℉ to avoid scalding your hands. Take the panels off carefully to prevent any injuries. Each set has two panels, so keep that in mind when you're thinking about the size. This curtain is made to last, so with proper care, it will decorate your room for a long time.