Crafted with recycled materials, these Bottle to Pen gel pens deliver the smooth performance you need for a hard day's work. G-2 ink produces crystal-clear, clean lines. Once you've 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. These pens' blue ink marks with a bold, easily visible color. Refillable - designed to be used repeatedly, helping you avoid single-use disposables and potentially save money. Contains Recycled Content - See Specs for Details