The Cello Perma Mark Permanent Marker, Black (Pack of 10) is a practical and economical set of permanent markers ideal for everyday labeling and marking tasks at home, school, or office. These markers feature a bold round/conical tip that lays down thick, visible lines for strong, legible writing on a wide range of surfaces including paper, cardboard, glass, wood, plastic, and more. Each marker uses quick-drying permanent dye ink that helps ensure your marks resist smudging, fading, and light moisture, providing long-lasting visibility. Many versions of these markers are refillable, making them a cost-effective and sustainable choice for frequent use. Well-rated by users for value and performance, this 10-piece black marker pack is a versatile staple for labeling boxes, files, packages, tools, and more, offering reliable bold marking at an affordable price.