Feature: Quick dried, water-resistant. Adopting high quality environmental ink, ROHS standard. Suitable for writing on various kinds of materials, first selection in the stationery industry! Name: Oil Single head signature marker pen. Packing: 12pcs/box. Price is for one piece, if you need one box, please order 12pcs. thanks! Color: White Feature: water-resistant, rub resistance and high quality ink. Use for: Mainly used for mark edging, fixing bugs, can be writing on any surfaces (paper, plastics, metal, glass, ceramic etc) Oil marker pen, easily volatilize, please cap tightly after using!!