Dr. Scholl's Clinical Strength 12-Hour Pain Relief Hydrogel Patches deliver powerful, long-lasting relief from nerve and body pain. Equivalent to prescription-strength 5% lidocaine, these patches provide targeted relief where you need it most. Instantly relieving pain with cooling menthol and lidocaine, they continue to work throughout the day for extended comfort. Offering up to 12 hours of relief , they effectively reduce symptoms like tingling, throbbing, and stabbing pain. Designed for use on hands, feet, neck, back, and legs. Includes two convenient patch sizes—5 large (4" x 2.5") and 5 small (3" x 2").