Magnetic Clip Eraser mounts to any magnetic whiteboard surface, making it as easy as ever to erase and refresh your whiteboard. The eraser keeps everything at your fingertips on your magnetic whiteboard and is perfect for quick notes on the go. Thick felt traps dry-erase dust. Included low-odor markers in blue and black are certified AP nontoxic. Ink conforms to ASTM D-4236.