2.83 inches x 1.81 inches (7.2 cm x 4.6 cm). OTC topical analgesics in patch category (Source: Euromonitor International Limited; in terms of retail sales value in 2017, based on the custom research conducted in March-April 2018 in the countries that account for more than 70% share on the global topical analgesics/anesthetic market in 2017). World's brand no. 1. For temporary relief of minor aches & pains. Stiff neck. Sore shoulder. Backache. Joint Pain. Apply 8 hours. This product is not made with natural rubber latex. For shoulders. For back. For Foot: 1 patch on sole; 1 patch on top. For Calf: 1 patch on left side; 1 patch on right side. www.salonpas.us. Questions or comments? Toll free 1-800-826-8861; www.salonpas.us. Made in Japan.