240 COLORS DUAL TIP MARKERS: Shuttle Art Dual Tip Alcohol Based Marker set has 239 permanent markers bonus 1 colorless blender, equipping with both a 7mm broad tip for quick coverage and a 1mm pointed bullet tip for highlighting, sketching and general writing. Our markers writes well and blends easily, are rated for 300 meters of continuous use which provides you a vast amount of ink per marker.