Store your markers securely on any metal surface with Expo Magnetic Dry Erase Markers with Eraser. An integrated magnet locks the Expo markers to metal-backed whiteboards and other metallic surfaces for care-free storage. What's more, the handy cap features a precise Expo eraser. Each dry erase marker also uses low-odor ink that's perfect for both the classroom and office. Each pack includes 4 chisel-tip dry erase markers in Black.