Features: Made of good quality material, durable to use. Small size and portable, easy to carry. Advanced printing ink, writing clear, smooth ink constantly. Long pen design, easy to grip. Erasable, can be easily cleaned.  Suitable for home or office use. Specifications:  Material: plastic  Ink Color: black  Size: 138*18mm Package Included: 1* Whiteboard Marker Pen Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to personal measurement technique is different, there may be 1-3mm error of the physical.Thank you!