Zebra Sarasa 46820 retractable pen with blue gel ink. 0.7mm medium point size. Sarasa Gel Retractable Pens contain a smooth-flowing, water-based, pigment gel ink. Soft rubber grip provides 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. Packed 12 each per box. Sold by the each. Non-Refillable.