The PVC coated magnets are specially designed for sewing into fabrics, they are called sew-in (sewing) magnets, PVC coats make them washable, Ø25x3.3mm is a standard size of neodymium waterproof sewing (sew-in) magnets. The bigger size and strong pull force make them to be used on heavy textile articles.
Mono-pole: The disc magnets are encased in steel shell, only one magnetic surface used.
PVC sealed: The Ø25x3.3mm steel covered disc magnets are sealed in waterproof PVC coats.
Used in pairs: Waterproof sewing magnets 25mm are used in pairs when work as magnetic buttons.
lf you have any questions, you can contact us to help you solve them.