Product Description: KefenTech Air contains 30mg Ketoprofen, provides relief from pain and swelling due to: Arthritis Backache Strained Muscle Joint Pain The unique Air Flow system enhances skin breathability when using the patch. Ketoprofen is a medicine that is used to relieve pain and swelling. Kefentech plaster is designed to deliver Ketoprofen through the skin to the target area, providing relief for arthritis, tennis elbow, muscle ache, sports and exercise related injuries such as sprains, strains and bruises. How To Use: Remove film-coated thin paper backing from lint fabric, then apply lint fabric to the affected part twice daily. Each packet contains 8 patches. Manufactured in Seoul, Korea Caution & Warnings: Do NOT use if allergic to ketoprofen, non-steroidal anti-inflammatory painkillers (NSAIDS) or aspirin. Ingredients: Ketoprofen 30 mg.