SKILCRAFT 7520-01-588-2364 Bio-Write Retractable Gel Pen with Blue Barrel, 0.7mm Size, Blue Ink (Pack of 12) Components are 35 percent biobased and biodegradable corn based bio-resin 27 percent pre-consumer recycled plastic by pen weight Reduces use of petroleum; reduces chemical residue in commercial composting facilities Bold vivid lines with exceptionally smooth ink flow Made with pride by Americans who are blind