Wolcure menstrual cramp pain relief patches is a transdermal patch contains natural Chinese herbs along with inorganic salts, activated charcoal and iron powder providing effective and long lasting pain relief. These natural ingredients from the herbs has anti-inflammatory and topical analgesic properties to combat abdominal discomfort during dysmenorrhea. The medicaments present in the patch can penetrate through the skin and reaches the affected area providing maximum relief. It is application to external hot compress of the lower abdomen of women for dispelling cold and keeping warm and abdominal pain during menstruation. Wolcure menstrual cramp pain relief patches are designed with powerful blend of natural pain relievers works wonders and provides instant relief from pain for up to 12 hours.