Highlights: Portable: The keyboard is lightweight,ultra-slim and very compact. It would be a perfect companion for lavel,school and many industrial or medical environments. It fits easily in your briefcase,backpack or notebook carrying case and you don't have to worry about any sharp edges. Waterproof: With its waterproof silicone matieral, you don't have to worry about damaging the keyboard because you can't! You could spill a beverage on it and all you have to do is simply wipe or clean it off and continue to use it,good as new! Dirt & Dustproof: The keyboard can be used safely in highly dusty environment. Perfect for factories,industrial warehouse. Retail facilities or anywhere where dust may be a present. washable: The keyboard is completely sealed preventing germs from entering anywhere inside the keyboard. Great for medical facilities since the keyboard surface can be washed and disinfected at any time to aviod the spread of infectious disease.