Rub A535 Arthritis Gel is warming and medicated rub for fast-acting relief of Stiff and Sore Muscles, Backache, Strains, Chest cold discomfort, Arthritic pains. It comes with a non-greasy formula and starts working in contact with the skin and provides maximum relief. Rub A535 Arthritis Gel is fast penetrating action for sore muscles.