Set of 5 red POSCA poster color markers, extra-broad type (PC-17K / line width approx. 15mm), manufactured by Uni Mitsubishi Pencil. These markers feature opaque, water-based, pigment ink, making them ideal for posters, sign making, and board art. They can be used on various materials such as paper, wood, metal, and plastic. They offer good color development and are designed to resist bleeding and show-through. Although these are unused and stored, the outer box shows signs of aging, including scratches, stains, and yellowing. The marker bodies are unopened and in good condition.