Practical: For alternating labeling of ferrous shelves in the warehouse or sales room. Also suitable for schools, offices, basements, kitchens, or on whiteboards. The front side is plastic coated, and the back side is magnetic. How it works: Cut off the marking tape, write on it, and attach it to a ferrous surface - done. It can be written on with non-permanent markers and wiped off again when dry. Can be cut to select length individually with normal scissors. Adhesive force is 42 g/cm². Attention: Does not serve as a basis for attaching magnets.