Package Includes: This package comes with 100 chalkboard , enough to use and replace, each dry erase pen measures about 11.3 cm/4.45 inches, the perfect size for your useMAGNETIC 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 writing: Made of high-quality plastic, reliable and unbreakable, and clear writing when smearing, quick-drying ink, low odor, easy to eraseEASY TO USE: The magnet on the marker cap sticks easily to the metal whiteboard surface, saving space; easy to use, -free and clean surfaceWide applicability: Magnetic dry erase markers can be applied to dry erase boards, cardboard, glass and most non-porous surfaces, suitable , office, school, classroom, etc., to meet your different needsColour:As shownMaterial:plasticPackage Contents:100 x chalkboard Only the above package content, other products are not included.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.