Using this finger protector is a breeze. Just slip it on your finger before you start cutting vegetables or fruits. It will keep your fingers safe from accidental cuts. When it comes to maintenance, simply wash it with mild dish soap and water after each use. Then dry it thoroughly to prevent rusting. Remember, because of lighting and monitor differences, the actual color might look a bit different from what you see on your screen. Also, the size is measured manually, so there could be a 1 - 2mm difference. Keep these points in mind and enjoy a worry - free cutting experience with this handy kitchen accessory.