brand new and high quality Features: You can write different types of surface materials (for example: paper, white, glass, porcelain, etc.), easy to erase, without leaving any traces. Special fiber tip pen, writing smooth, unique ink formulations, brightly colored non-toxic. Easily erased, leaving no trace, writing length of over 500 meters. Suitable for offices, factories, schools, hotels and other uses. Ink color strong, bright, non-toxic; suitable for school, office and factory use; After use, tightly cap and flat bottom of the form. Precautions: In order to achieve the best writing results, to maintain the correct posture to hold a pen. Please close cap after use, so as not to affect the next results. Can not eat, do not close to the fire. Not suitable for children under 3 years old, contains small parts, beware of children swallowing. Specification: Material: Plastic Size: app.13.2cmx1.1cm/5.20''x0.43'' Package Size: app.14.3cmx14cm/5.63''x5.51'' Color: 12 Colors Quantity: 12 Pcs (12 different colors for one set) Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 12pcs x Whiteboard marker pens