Want to keep yourself germ-free in the office but don't want let out another loud sanitiser "fart" as you squeeze an oversized dollop of gel onto your hands? Give the Write & Spray Pen a try. As the name suggests, this regular-looking pen features a handy spritzer tip for you to fill up with your favourite anti-bacterial solution. Just give it a press to quietly dispense a mist of germ-busting goodness.