Features: Engineered with ergonomic postures correction design and a stress relief clicks mechanism, this gel pen promotes natural grip alignment for fatigue easy writing while offering therapeutic fidgets relief during study or work event. Features two premium refillable inks cartridges and portable user friendly plastic construction, delivering extended durability and environmental consciousness without compromising writing smoothness. Ideal for students practicing handwriting skills, professional handling documentation tasks, and individuals seeking sensory tools in high pressure environments. Perfectly adapts to classroom note taking, office report drafting, exam preparation at home, or any scenario requiring prolonged comfortable writing event. Combines ergonomic innovation with sustainable design, creating a versatile writing instrument that supports proper hand postures while reducing plastic waste through long lasting replaceable inks systems. Specifications: Component: Plastic + inks Size: 16cm, Package Includes: Main writer × 1 Replacement refill × 2 (suitable for this neutral pen) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!