The Faber-Castell Thick Permanent Marker Pen (Pack of 10 – 2 Blue + 2 Red + 2 Green + 4 Black) is a reliable and colorful set of permanent markers suited for everyday use at home, school, office, and industrial settings. These markers offer bold, vibrant ink in four colors that delivers clear, vivid writing and marking on a wide range of surfaces including paper, cardboard, plastic, metal, and glass. Each marker is designed with a thick tip and solvent-based, waterproof ink that provides permanent, fade-resistant results with high visibility—perfect for labeling boxes, files, signage, tools, and other items where strong, lasting marks are needed. The markers are xylene- and toluene-free, reducing harsh chemical exposure while still ensuring reliable performance. This assorted-color pack gives you flexibility for organizing, color-coding, or creative marking tasks, making it a versatile and cost-effective choice for both everyday use and larger projects.