The Artline 100 Jumbo Marker is a heavy-duty, industrial-grade permanent marker engineered for making bold, high-visibility markings in warehouses, shipping departments, and construction sites. Featuring an extra-wide acrylic chisel nib, this high-performance marker allows users to transition smoothly between a 7mm and a 12mm line width for broad coverage on large surfaces. The robust aluminum barrel is packed with a high-capacity, quick-drying green ink reservoir that is both waterproof and fade-resistant. Designed to write reliably on challenging non-porous surfaces—including heavy cardboard, wooden crates, steel beams, plastic sheeting, and glass—this jumbo marker is the ultimate tool for clear factory labelling, industrial signage, and heavy-duty packing tasks.