Temporarily relieves minor aches and pains of muscles and joints associated with: simple backache, arthritis, strains, bruises, sprains. Provide concentrated, deep-penetrating heat in a self-adhesive patch that targets your pain so you have more flexibility and mobility in your muscles and joints. Menthol topical analgesic patch. Regular (3.9 in x 5.5 in) for lower/upper back, shoulders, hips. Long lasting, up to 8 hours. Easy to remove backing. Soft, breathable adhesive pad. Pain relieving hydrogel layer. Convenient, no mess.Active Ingredients: Menthol 5%