Gel Pens are erasable with the eraser at the and retractable by pressing the side clicker clip down. Superior ink and soft rubber grip make the pens writing smoothly and using durable! Multiple colors and the 0.5 mm tips are great for daily.And retractable design avoid the risk of losing the caps. But not recommended for use on legal or official documents. Suitable for doodling, scrapbooking, sketching, drawing, doodling, writing and getting in a fun and skilled way.