The Pen is made from a 50/50 blend of renewable wheat straw, which is the stalk left over after the harvest of wheat grains and ABS plastic. This pen makes a great eco-conscious gift and writes in black ink. Made from Renewable and Sustainable Harvested Wheat, 50/50 Wheat Straw: Stalk Left Over After the Harvest of Wheat Grains & ABS Blend, Twist-Action Mechanism, Ballpoint Pen.