Pentel EnerGel-X Retractable Liquid Gel Pen 0.7mm, Metal Tip, Medium, Blue Ink (5 Pack) (BL107BP5C) Advanced blend of rollerball and gel ink 0.7mm, medium tip Latex-free grip, color-tinted barrel, and retractable tip Made of 84% recycled plastic Refillable with Pentel LR7 refills