The Monami Oil-Based Magic Marker is a black marker with a 2.0mm line width, capable of clear marking on various surfaces including plastic, glass, and metal, as well as paper. As a domestic product, it features excellent durability and is widely used for daily marking tasks in offices, schools, and industrial sites. Sold individually, it allows you to purchase the exact quantity needed, and keeping the cap closed prevents the ink from drying out, maintaining stable writing performance for a long time.