Features: Design: This Retractable Fountain Pen features a fine nib which extends and retracts at the touch of the push-button. A tiny door flip open to reveal the nib, and closes securely to protecting from damage and prevent the ink drying out. Ergonomic Comfort: The ergonomic grip zones ensures a comfortable, fatigue-free writing experience, even during extended writing sessions. Refillable & Long-Lasting: Comes with 5 ink cartridges, extending the pen's lifespan for high-quality writing. Great for Daily Use: Whether jotting down notes, sketching, or journaling, this pen glides effortlessly across the page with even ink flows and smoothing lines. With zero-ink leakage and a secure cap, it's the perfect writing companion for home, school, or the office. Includes Compact, Practical Packaging: The stylish transparent box not only keeps your pen safe but also doubles as a practical storage solution to prevent loss. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Shell material: plastic Specifications: 1 pen + 5 ink cartridges Ink supply system: ink cartridges Nip-material: EF tip