Pentel Gel Roller Pen, Retractable, Refillable, .5mm Point, Black (KL255-A) HyperG Gel Roller Pen contains ultra-smooth, high-performance, acid-free gel ink that is check-safe, permanent and smudge-resistant Design includes a retractable tip, latex-free grip, and diamond-cut barrel with silver barrel accents Pen is made of a high percentage of recycled material, excluding consumable content and refills Pen is refillable with KLR refills Ink is certified AP nontoxic