Features: Two tip design enables seamless color switching for writing and highlighting, solving traditional single color limitations and enabling creative overlapping effects. Ideal for students, designers, and office users needing adaptable writing materials tools like overlapping color pens. Better writing substance ensures smooth, fade resistant functionality and prevents quick drying, perfect for lengthy durations such as meetings or artistic sketches with overlapping color markers. Ergonomic plastic handle reduces hand fatigue during extended use, providing comfort for students and artists in various configuration with these markers. Environmentally safe plastic composition ensures safety and planet security, suitable for health aware users such as teachers and parents. Dense 5 pen case furnishes easy portability and storage, ideal for individuals traveling or daily use as two tip markers. Specifications: Component: Plastic+Ink Box Color: Blue/White Pen Size: Approx. 0.55x5.91inch(1.4x15cm) Box Size: Approx. 3.74x6.30inch(9.5x16cm) Package Includes: 5PCS Color Stacking Pen note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.