Zig 6mm Posterman Broad Tip Wet Wipe Marker, Metallic Violet Marker features a broad 6mm chisel tip and is wet-erasable on most surfaces Ideal for use on plastic, wood, glass, metal and a variety of other surfaces Perfect for writing letters on signs, boards and more Works well on whiteboards or chalkboards Conforms to astm d4236; available in metallic violet color