1. Removable refill 2B resilient TPU pen refill, writes smoothly without damaging the screen, and can be replaced due to wear and tear 2. HB refill allows for easy switching 3. TPU material pen refill provides effective noise reduction for quiet use, ideal for focused environments without disturbing others 4. Simple installation and easy replacement of pen tips 5. Effectively reduces noise and significantly lowers writing sound Color: White Material: ABS Size: 4.5 x 4.5 x 2 cm Package Contents: 1 x pen nib 1 x HB refill 1 x 2B refill Only the above package content is included; other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm