The waterproof magnets in this category are neodymium with PVC coated, such PVC coated neodymium magnets are mono-pole magnets and used in pairs, and known as PVC invisible magnetic buttons and PVC waterproof magnetic buttons.The PVC coated waterproof neodymium magnets are called sewing magnets,they can be sewed in curtain and used as holding magnets.By using the hidden PVC magnetic button, the appearance of application products can not be affected. Meank magnetic are professional China PVC magnets company. We not only have wide size range for the waterproof magnetic button,but also can make new size according to customers' needs.