10pcs set Oriental NOn toxic Erasable Whiteboard Marker Pens School Office Supplies(black) Descriptions: This whiteboard pens adopt of high precision synthetic fiber pen head, can be written in all kinds of smooth surface, the compression ability is strong. Features color bright,writing smoothly, wear-resisting, and not easy to damage.  It is safe and Eco- friendly, specially designed for students and office. Features: Adopt of high precision synthetic fiber pen head, can be written in all kinds of smooth surface, the compression ability is strong. Writing smoothly, wear-resisting, and not easy to damage. The pen adopt streamline design, accord with human body engineering, easy to hold. Smooth ink, smooth writing, not easy to leak ink. 100% free writing ink, color bright, smooth writing, and it can be erased quickly and easily, suitable for office demonstration. Widely used, suitable for office, factory, school, hotel, etc Specifications: Pen length: 12.4cm Writing line: 0.7mm Weight:162g Package Included: 10 x whiteboard pen