Features: brand new and high quality Can be used on all non-absorbent surfaces such as photos, plastics, glass, metal, etc. It can overlap writing on the material without bleeding and back for image, which is the for ideal choice for professional for POP designers. There is a pressure-controlled ball for valve in the pen core, so that it has good sealing performance, and ink will flow out only when the pen for head is under pressure. It does not melt water after drying and has excellent water resistance. There is no violation of the material because it is water-based, and there is no unpleasant smell. Can be used to make various marks, car painting performance. You can also use it to make various store kitchen for windows, write various slogans, and describe various graphics to increase the color of the store and attract customers. Specifications: Material: Ink Pen Size: Approx. 142x18.2 mm/5.59x0.72 in Color: Black/Red/White/Yellow/Green/Blue Package Includes: 1x Mark Pen note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.