1. Package Includes: This package comes with 100 chalkboard pens, enough to use and replace, each dry erase pen measures about 11.3 cm/4.45 inches, the size for your use 2. MAGNETIC FEATURES: These dry erase markers are designed with a magnetic erasing cap that easily adheres to any magnetic receptive surface for your convenience, and the eraser is detachable, saving space and energy 3. writing: Made of plastic, reliable and unbreakable, and clear writing when smearing, quick-drying ink, low odor, easy to erase 4. EASY TO USE: The magnet on the marker cap sticks easily to the metal whiteboard surface, saving space; easy to use, -free and clean surface 5. Wide applicability: Magnetic dry erase markers can be applied to dry erase boards, cardboard, glass and most non-porous surfaces, suitable for home, office, school, classroom, etc., to meet your different needs 6. Colour:As shown 7. Material:plastic 8. Package Contents: 100 x chalkboard pens Only the above package content, other products are not included. 9. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.