Round Magnetic Suction Button Clothes Concealed Button Sweater Magnet Button Coat Cardigan Snap Button ?? *Easy and Convenient: Button and unbutton with single hand or even two fingers, easy and fast! No more struggling and time-wasting *Multiple Uses: The heavy duty buttons can attract each other even through fingers, which enables them be widely used for many occasions. Such as on coats, windbreakers, suitcases, handbags, handcrafts, home decoration hanging, etc. Sewing holes are there for needle work. *Good Size: Diameter 26mm, Size 40L is just good for most of coats, windbreakers, Blazers, handcrafts. * Special Designed: With fine surface dealt black nylon covering, there are strong NdFeB permanent magnets inside. Each button got one L and one R, which makes them attract each other. The long lasting materials make ?? sure they can be used for life time.