Sharpie 15101PP Pro King Size Permanent Marker, Black Marker, 6 Blister Packs with 1 Marker, Total of 6 Markers Powerful ink marks on wet and oily surfaces Large markers create clear lines on plastic, wood, stone, foil, metal, corrugate, and leather Sturdy felt chisel tip and durable body are tough enough to handle heavy use Quick-drying ink is fade and water resistant 6 Blister Packs with 1 Marker, Total of 6 Markers