BioWrite Retractable Gel Pens are made from 35 percent biobased and cornbased bioresin and 27 percent preconsumer recycled plastic by pen weight. Biobased pen reduces use of petroleum and reduces chemical residue in landfills. Medium point (0.7mm) delivers bold vivid lines with exceptionally smooth ink flow. Gel ink is acidfree to help preserve documents. Grip color indicates the ink color. Translucent barrel allows monitoring of the ink supply. Latexfree rubber grip protects against allergic reactions and provides added writing comfort. Gel pen is refillable. Product packaging contains 100 percent recycled material and 35 percent postconsumer material.