For temporary relief of muscular aches and pains, sprains or strains. Expels wind-cold, moves the blood, relieves pain, and relaxes the sinews. Each package contains six small (2" x 2-1/2") plasters. Apply to affected area for 3 to 5 hours. Active Ingredients: Methyl Salicylate, Menthol, Camphor, and Zinc Oxide.