Product Name: Stabilo Boss Phosphorus Pen Pastel Inspired Blue Brand: Stabilo Barcode: 4006381566018 Stabilo Boss Phosphorus Pen with inspired blue color

paper is used for copy and fax paper and does not transfer color to the back of the paper. It has two different line thicknesses, 2 mm and 5 mm. The pen, which has a bright and vivid color, does not dry even if the cover is open for 4 hours.