Patent of rubber soft magnetic sheet

You mean a flexible magnet. This kind of flexible magnet is made of modified rubber or PVC (polyvinyl chloride) as the main raw material and artificial magnetic powder. Some people also call it rubber magnet and PVC magnet. This thing has low density, light weight and easy deformation, so it is not uncommon in people's daily necessities, such as refrigerator door sealing strip and magnetic insect-proof door curtain, magnetic buckle of leather bag, toys and so on. "refrigerator magnet" is only a small part of the application of this material.