Crafted with recycled materials, these "Bottle to Pen" gel pens deliver the smooth performance you need for a hard days work. G-2 ink produces crystal-clear, clean lines. Once you have completed your assignments, simply retract the tip to help keep the pen from drying out. Vibrant G-2 gel ink writes smoothly on paper. These Pilot pens are refillable for continued use. G-2 refills are sold separately. Eco-conscious choice has one or more meaningful eco-attributes or eco-labels. Greener choice - contains 89% postconsumer recycled content. These 89% recycled pens blue ink marks with a bold, easily visible color. Refill - designed for use with a specific refillable, helping you save resources and money by extending the life of your product.