1. Ecofriendly Ink Refill: Supports longlasting ink supply with refillable cartridges, includes 5 replacement ink cartridges, offers seamless multiple refills for reliable use. 2. Transparent Body DesignEnjoy dual blueblack ink tones for fashionable stationery appeal, enhanced by a transparent body design that allows visual ink level monitoring during daily use. 3. Ergonomic Grip: Designed for comfort with a soft rubber grip that reduces pressure on the palm, enhances writing endurance during classroom or meeting tasks. 4. Artistic Journaling Tool: This pen is crafted for artistic expression, combining smudgeproof ink, a fine nib selection, and leakproof features to deliver smooth consistency and elevate every writing or drawing experience.