Vivid liquid ink markers with a unique push button system that replenishes the ink supply and doesn't dry out until the very last drop. It lasts 3 times longer than most standard dry-wipe markers and resists drying out even when the cap is left off. It offers a durable chisel tip giving approx 1.1mm line width and comes in an assorted pack containing a red, blue, green and black marker. Pack of 4.