DescriptionThis product is a marker pen. Made premium material, environment-friendly, odorless, safe, and durable for use. In addition, it writes smoothly, comfortable to use. Use them and create your stunning masterpieces on most surfaces, such as paper and whiteboard.Features-Color: Black, red, blue, green.-Material: Plastic.-Size: About 13.70X1.40X1.40cm/ 5.38X0.55X0.55in.- Feel comfortable, long-term writing is not tired, and can serve you perfectly.- This product is a whiteboard writing pen, which is widely used in offices and schools.- widely used, easy to write, easy to use, and simple to operate.- Waterproof design is smooth writing, not easy to fade, practical and durable.- This product is exquisitely crafted and durable, and is widely loved most people.Package Including20 x pens