FeaturesThese Rollerball Pens have smooth gel ink Comfortable to use, thanks to the cushioned gripThey are made of 50% recycled materialCase doubles as a desktop pen holderPack of four pens includes one black, blue, red and green The Pilot G-2 Set2Go Rollerball Pens (Pack of 4) have smooth gel ink and are comfortable to use, thanks to the cushioned grip. To help you do your bit for the planet, they are made of 50% recycled material. The plastic case doubles as a desktop pen holder to keep your pens organised. This pack of four pens includes one black, blue, red and green pen.