Other Information: Store at 20-25 degrees C (68-77 degrees F). Avoid storing product in direct sunlight. Protect product from excessive moisture. Some individuals may not experience pain relief until several hours after applying the patch. Menthol 3%. Methyl Salicylate 10%. Topical Analgesic. 2 3/4 inch x 3 15/16 inch (7cm x 10cm). For temporary relief of mild to moderate pain. Sore muscle; sprains; backache; joint pain. FDA approved non-prescription pain relieving patch. Effectiveness confirmed in clinical trial. www.salonpas.us. Made in Japan.