The X2 Maped Mini Glow Pen Set - 742767 - Green Gold is a product line possessing a very beautiful design with a unique tube design. Bright colors, bright, safe for health, the product is a great support tool in work and study.The luminous color is strong, bright, reflective, does not smudge the ink when overlapping and leaves no marks when photocopying or faxing.Stroke or mark is even and continuous, ink fades. In particular, the pen tip is still open for 4 hours continuously. This is the highlight of this luminous pen model. Ink stains from hands and on fabrics can be easily washed with soap.