The magnets that can be sewed in fabric and washable are known as sewing magnets.Sewing magnets, also called as sew in magnets, are perfect choice to use with fabrics as magnetic attachments, fasteners or magnetic buttons.
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 waterproof magnetic buttons. Sewing magnets are sold and used in pairs.Each sewing magnet is marked with”+” or “-” sign.