Features a grooved finger-grip so the pen fits perfectly in your hand. You’ll appreciate the smooth, scratch-free writing quality. Transparent barrel allows you to monitor ink supply. Water-based pigment gel ink is acid-free and archival so it won’t fade or bleed. Pen Sub-Brand & SKU Line: J-Roller RX Pen Style: Stick Pen Type: Gel Pen Refillable Yes/No: No.