Durable fine point. Sharpie dries out, we don't! (If cap is left off for up to two weeks.) Marks on most anything! Long lasting durable fine point. Rubberized grip for comfort and control. Water resistant. Marks on most surfaces - Glass, metal, plastics, photos, foils, coated papers, oily and damp surfaces. Conforms to ASTM D 4236. Non-toxic.