Marks on wet and oily surfaces and dries instantly for accurate, clean results. Excellent for marking corrugate, wood, metal, foil, stone, plastic, leather and more. Durable aluminum barrel and felt tip stand up to heavy use. Water-resistant nontoxic ink. AP Certified nontoxic. Global Product Type: Markers-Permanent; Marker Type: Permanent; Assortment: N/A; Color(s): Blue.