The strength of Salonpas Large Pain Relieving Patches has been improved with more medicine than Salonpas Original. The patches have three active ingredients in a more flexible, 20% larger and easy-to-apply patch. Salonpas Large Pain Relieving Patches provide temporary relief of minor aches and pains of muscles and joints associated with arthritis, simple backache, strains, bruises, and sprains.Salonpas Large Pain Relieving Patches: More medicine; Better flexibility; 20% larger.