Description The Sailor Pro Gear Slim fountain pen shown here in Winter Rain from the Sound of Rain series, features a flat-top cap and barrel design in a slightly matte finish translucent pale pink resin barrel and cap accented by gold-plated trim. In a first time experience, this pen comes with a bi-color 21k gold nib in a medium-fine nib. The cap posts well on the barrel when writing, and this helps to make the pen feel almost full-sized in the hand.The Sailor Pro Gear Slim fountain pen fills via the proprietary Sailor ink cartridges or proprietary converter for use with bottled ink - both of which are included with the pen.For the best long-term performance of your Sailor fountain pen, we highly recommend that you use the Sailor Fountain Pen Maintenance Kit for the most efficient way to clean your fountain pen!No matter the season, rain brings with it a certain kind of magic. It makes you want to curl your hands around a fragrant mug of coffee and get lost in a good story, while the dust of yesterday is washed away. Raindrops glimmer on every surface, bringing the seasons to life around you as the clouds move away and the sun shines through.Sailor’s The Sound of Rain series evokes the peace and grace of rain with the gentle matte colors of every season. This series is available in the Professional Gear Slim size, each with a 21K gold bi-color nib for a flawlessly smooth writing experience. Spring Rain and Winter Rain are translucent, while Summer Rain and Autumn Drizzle are opaque, and all of them will transport you into a dewdrop garden or a rain-streaked window, where you can breathe in a moment of pure calm.