Posca pc-8k poster markers have water-based pigments which can be blended when wet or overlaid when dry. Each marker has a chisel tip to produce thin lines on the point and thick, 8.0 Mm lines on the side. Plus, they can be used on a variety of surfaces making them a versatile writing utensil. - These markers have a broad chisel tip measuring 8.0 Mm and can both cover large areas and draw neat curves. - You can blend these markers when they are wet or overlay them when they are dry. - The water-based ink is fade-proof and opaque. - Each marker has a round, easy to grip barrel. - These markers are ideal for making bold markings or sign writing for both professional and personal use. - The colours included in this pack are black, blue, brown, green, grey, light blue, light green, orange, pink, red, violet, white, beige, yellow, gold, and silver. - There are 16 markers in this pack. - You can use them to mark on paper, metal, glass, fabric, minerals, canvas, ceramic, wood, and plastic. Posca tips can be removed and washed by rinsing them under cold water or leaving to soak overnight. - The ball inside the barrel mixes the paint, giving an even consistency, while the cap provides a tight seal ensuring protection and longevity of the tip.