Each Package contains (10) patches, each patch will last for 3 days. The Nerve Stim provides bio-frequencies that support the healing process of nerve damage and encourages rapid growth healing and tissue growth. The nerve looks like elongated bags of salt water and carry messages from the brain to the muscles and from the muscles to the brain. The outside of the nerve is positively charged to carry the electrical singals from the brain. The nerve is depolarized when a message is sent. Consider using when experiencing restless Leg Syndrome (RLS), Acute Pain in the Body, Trauma from Injury, Fracture of any Bones, and any Nerve Injury.