Markal's industrial crayons are perfect for graffiti and street art. They are wax-based permanent markers that do not fade over time and are designed to withstand all weather conditions. They work well both indoors and outdoors and can adhere to all kinds of surfaces such as concrete, metal, wood, and glass. The hexagonal markers are 120 mm long and 11 mm thick. They are sold in packs of 12 and come in six different colors.
