Salonpas Lidocaine 4% FLEX Pain Relieving Patch is from the World's #1 brand of pain patches. Thin, lightweight, flexible, and highly adhesive, the Salonpas FLEX Pain Relieving Patch provides flexible pain relief that moves with you. The Salonpas FLEX fabric stretches in all directions to move with the body, and the strong adhesion makes this a great pain patch for body parts that move, bend, twist, and flex. The Salonpas Pain Relieving FLEX Patch has maximum strength Lidocaine available without a prescription (4% Lidocaine). Try Salonpas first – topical pain relievers, like Salonpas FLEX Pain Relieving Patch, provide temporary relief of minor aches and pains, are non-addictive, and are gentle on the body. Salonpas FLEX pain patches are approximately 3.94 inches x 2.75 inches to fit easily on difficult areas of the body. They have rounded corners that help resist peeling so they stay in place. A great pain relieving patch for feet, elbows, knees, shoulders, back, and other parts of your body – Salonpas, It's Good Medicine. Flexible design with a thin, flexible, highly adhesive patch that contours to your body. Maximum OTC strength with unscented patches containing maximum over-the-counter strength Lidocaine 4%, available without a prescription. Provides lasting relief for up to 8 hours (no more than 3-4 applications a day) with the powerful formula of Salonpas FLEX patches. Strong adhesion and easy application with convenient patches that adhere securely so that you can move, bend, twist, and flex. Trusted brand: Salonpas is a trusted name in pain relief and is the #1 doctor-recommended OTC pain relief patch brand, #1 pharmacist-recommended OTC pain relief patch brand, and #1 worldwide brand of OTC pain relief patches.