Features: Design: This retractable fountain pen features a fine nib that extends and retracts with the push of a button. A small cover flips open to reveal the nib and closes securely to protect it from damage and prevent ink from drying out. Ergonomic Comfort: The ergonomic grip provides a comfortable, fatigue-free writing experience, even during prolonged use. Refillable & Long-Lasting: Includes 5 ink cartridges, helping extend the pen's lifespan for consistent, high-quality writing performance. Great for Daily Use: Ideal for taking notes, sketching, or journaling, this pen glides smoothly across the page with even ink flow and clean lines. With no ink leakage and a secure closure, it's a reliable writing tool for home, school, or office use. Includes Compact, Practical Packaging: The sleek transparent case protects the pen and serves as a convenient storage solution to help prevent loss. Notice: 1. Actual color may vary slightly from the image due to different lighting conditions. 2. Please allow 1-3 cm variation due to manual measurement. Casing material: plastic Pen tip material: stainless steel Specifications: 1 pen + 5 ink cartridges Ink supply system: ink cartridges Nib material: EF tip Package List: 1 set fountain pen