LAMYBalloonRollerball Pen. TheLAMY Balloon rollerball pens are thetranslucent version of LAMY Safari and they come in fun colors! The LAMY Balloon features LAMY’s distinctive clip design that is strong enough to secure the pen onto your notebook or pocket.This rollerball pen offers a very smooth and consistent writing experience and we recommend ittoanyone who prefers a broader pen that results in thicker, darker lines when writing.