Sewing magnets made with neodymium-iron-boron (NdFeB) material are neodymium sewing magnets, which are known as powerful sewing magnets, they are perfect choice to use with fabrics as magnetic attachments, fasteners or magnetic buttons.
Rare earth neodymium sewing magnets are designed for clothes, drapes, slipcovers, bedspreads, liners and other items that are washed or dry-cleaned regularly, each magnet is sealed in a flexible waterproof PVC plastic sheath for protection against moisture and corrosion.They are known as strong waterproof and washable magnetic buttons. All sewing magnets(sew in magnets) are sold and used in pairs.Each magnets is marked with”+” or “-” sign.
