Charles Leonard Permanent Marker Combo Pack, Thin Pocket Style, Red Blue Green and Black, 12 Packs of 5 Markers Each with Shelf Tray (76885-ST) Permanent markers feature bright Vivid colors (black, blue, red and green) Markers write on most surfaces and are quick drying Chisel point and fade resistant inks Markers conform to ASTM-D4236 Sold as a set of 12 cards