Clean the Window Screen: ?You can actually clean window screens without taking them out, also avoids some possibility of damage and speeds up the scrubbing process. Wet and Dry Dual-use: ?It can be used dry for light dusting and maintenance cleaning, or you can get it wet to increase your power. For removing pollen, cottonwood fuzz, and other dusty debris, you can use the brush to quickly pick it up. When wet with water, it will remove most dirt and grime that is a little more stuck. The Versatility of Usage: ?You can quickly dust surfaces on the sofa, carpet, sheet, clothes, or thoroughly scrub them depending upon your needs The material is totally reusable, so rinse clean and hang to dry when you finish so it is incredibly affordable for the long term. Portable Window Clean er : ?This window cleaner is made of Microfiber and high quality PP material, is better to wash the dirt on window and never damage the glass surface. It is not only use for indoor but also can use for outdoor.