Ergonomic Comfort Design: These gel pens feature an ergonomic grip and balanced weight to reduce hand fatigue during long writing sessions, offering a smooth and comfortable experience for adults who write, journal, or work daily. Smooth and Precise Writing: Equipped with a 0.5mm ultra fine tip and quick drying black ink, these gel pens deliver clean, consistent lines without smudging, helping users maintain neat notes and professional documents with ease. Built In Stress Relief Function: Designed for anxiety relief, the innovative twist cap provides silent sensory stimulation while writing, similar to the calming effect people seek from practical items like a sink faucet mat. Durable Plastic Construction: Made from sturdy ABS plastic, these retractable gel pens are built for everyday use, featuring a reliable click mechanism that ensures long lasting performance in offices, classrooms, or home environments. Practical Set and Gift Choice: Available in 4 or 8 piece sets, these multifunctional gel pens combine productivity and stress relief, making them a thoughtful gift for students, professionals, or anyone seeking focus and calm during work. Item Name: Gel Pen Material: Plastic Nib: 0.5mm Features: Ergonomic Comfort, Superior Writing Performance, Retractable Size Details: Length: 15cm/5.91" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 4pcs: 4 x Gel Pens or 8pcs: 8 x Gel Pens