THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: ZEBRA ZEB23410 ZEBRA ZEB23410. SKILCRAFT BioWrite Retractable Pen w/Rubber Grip Medium Point Black Ink BRAND NAME: SKILCRAFT. COBRAND NAME: BioWrite. Retractable ballpoint pen is made using corn starch based BioPlastic which leaves no chemical residue in commercial composting facilities. Biobased, biodegradable barrel reduces the use of petroleum as well as producing less waste than traditional pens. Low viscosity ink provides an exceptionally smooth writing experience. Latexfree rubber grip provides added writing comfort. Certified by the Biodegradable Products Institute. Meets ASTM D6400 99 Standards. Accent color identifies color of ink. Pen is refillable. Made using corn starch based BioPlastic Accent color identifies color of ink Low viscosity ink provides a smooth writing experience Ribbed, nonslip grip Refillable Ballpoint Pen,Rubber Grip,Retrctbl,Med,1 DZ,BK Ink Biobased, retractable; refillableBallpointLatexfree rubber gripAccents match ink color0.7mm point; black inkSDS SHEETS: Yes. ENVIRONMENTAL SUSTAINABILITY (GREEN) INFO: PreConsumer Recycled Content: 0 Biodegradable: Yes. Number Days to Biodegrade: 547