Features: 1.Can write on a variety of surfaces, such as body painting, paper, canvas, glass, ceramics, plastic, cloth, wood, metal, etc. 2.There are two steel balls on each pen to make the ink shake more evenly. 3.Quickly drying, waterproof,water-based pigment ink, odorless, environmentally friendly and non-toxic. 4.The cap is the same color as the ink, allowing you to easily pick the color you like. 5.With high adhesion,the product can leave a permanent mark on the surface of material. specification: Can write on a variety of surfaces, such as body painting, paper, canvas, glass, ceramics, plastic, cloth, wood, metal, etc. There are two steel balls on each pen to make the ink shake more evenly. Quickly drying, waterproof,water-based pigment ink, odorless, environmentally friendly and non-toxic. The cap is the same color as the ink, allowing you to easily pick the color you like. With high adhesion,the product can leave a permanent mark on the surface of material. The transparent pen enable us to clearly see the ink inside, and always know the amount of the ink. : Color:purple, red ,orange, white ,gold ,green ,brown ,pink, blue ,black ,silver ,yellow Weight:158 g/5.6 oz Size:133*11 mm/5.2*0.4 in Writing line width:0.7 mm/0.03 in Package List: 12*Maker Pen