Sarasa Gel Retractable Pens feature Rapid Dry Ink Technology that dries in less than a second, eliminating messy smears and smudges. Ultra-smooth ink glide promotes a flowing writing experience. Non slip comfort rubber grip provides excellent writing comfort and control. Smooth gel ink delivers scratch-free writing. Translucent barrel provides visible ink color and supply. Ink is acid-free and archival quality. Pens are refillable with Zebra’s JF-Refill.