For frequently washed items, we recommend magnetic buttons with PVC coating which protect the magnets from rusting. They are known as waterproof sewing (sew in) magnets, Ø14x2.5mm is a standard size which usually supplied with galvanized. Waterproof neodymium sewing (sew in) magnets 14x2.5mm are used as great magnetic button in purses and clothes, they are used in pairs of “+” and “-”.
Mono-pole: One pole of disc magnets are covered with steel house, which not work.
PVC sealed: The mono-pole magnets 14x2.5mm are sealed in PVC coats.
Used in pairs: When 14mm waterproof sewing magnets work as magnetic clasps, they are usually used in pair of N and S pole.
lf you have any questions, you can contact us to help you solve them.