Description The TWSBI SWIPE fountain pen in Pear Green is the 1st TWSBI fountain pen that uses a cartridge or a converter for bottled ink - and comes packages with a traditional twist piston converter, a spring-loaded piston converter, and a short standard international cartridge (yes all 3 are included)! The translucent body allows you to see your ink level, and the pen also boasts a clear grip section and snap-cap. The TWSBI SWIPE fountain pen also uses the same #4 size steel nib that is found on the TWSBI ECO and TWSBI GO fountain pens. Pre-sale starts 3/16, shipping on 3/18