Function Lumbar, Cervical, Spondylosis,Rheumatoid,Arthritis Joint Pain. Applicable People: These tiger patches are suitable for sportsman, elderly people, joint pain sufferer, office worker, driver, manual worker, etc. Features:Quick effect, long time action.with extracts of valued herbs,successfully integrate the medication with physical therapy and bring the self-heating which could ease all kinds of pains. Long-lasting: These Sumifun tiger pain patches contain pure natural herbal ingredients. The thermal effect of this pain relief patch can last up to 8 hours and optimal use time is 6 hours. Indications: Muscular Pain,Stiff Shoulders, Pain Relieving, Relief Fatigue, Rheumatism arthritis pain, Cervical Spondylosis, Periarthritis of shoulder bone hyperplasia, Rheumatoid, Slipped discs, Sprain etc.