The Pilot Oil-Based Twin Markers write on all sorts of media, including paper, plastic, metal, and other surfaces. Crafters and scrapbookers in particular love this pen, and in the crafting community it is often referred to as the best pen for writing on washi tape. These convenient and versatile markers are double-sided with fine and extra fine points. The alcohol- and oil-based ink is quick-drying and water-resistant. The ridges on both caps of the pens help you easily grasp and pull them off. Made of 76% recycled materials, these markers are also environmentally friendly.