Retractable ballpoint pen is made using corn starch based Bio-Plastic which leaves no chemical residue in commercial composting facilities. 78% biobased, biodegradable barrel reduces the use of petroleum as well as producing less waste than traditional pens. Accent color identifies color of ink. Low viscosity ink provides an exceptionally smooth writing experience. Ribbed, non-slip grip. Economical. Certified by the Biodegradable Products Institute. Meets ASTM D6400 99 Standards. Pen is refillable.