Biodegradable Pens 1.Push-action ballpoint pen 2.Corn starch barrel, 3.Colored clip, matching comfort grip ... Biodegradable Pens 1,Eco Friendly pen 2,Recycled ball pen 3,Corn material 4,recycled pen,bio-degradable pen 5,Best for Enviromental protection Product ... Size0.7 & 1.0mmInk Colorblack & blue Descriptions:0.7mm ballpoint pen is useful tool for students, retractable type is more convenient ...