Size Small Color Black Material Metal Shape Rectangular About this item 12 x 16 mm can hold 10 DIN papers. Not suitable for magnetic glass boards. Very handy: The design is very handy because it is so easy to grip. Its shape makes it easy to put on and take off. The black color is very beautiful, elegant and elegant. Plus, they won't scratch your fridge Permanent Magnet: Unlike other cheap magnets that break easily and get lost quickly, this magnet is made from three layers of neodymium (nickel + copper + nickel) permanent magnetism. Wide Application: DIY magnets for industry, school, office, crafts, home, science projects and product applications. More apps are waiting to be found by you.