[【LIDOCAINE Pain 20-PATCHS】 20 individually wrapped patches per box each 4”x4” small patch; keep your medicine cabinet and first aid supplies stocked when you need them most. Large size can be cut to size. 【MENTHOL TOPICAL ANESTHETIC】Containing 4% menthol these patches work by desensitizing the nerves effectively numbing the pain where the patch is applied 【Effect lasts 12 H】You may feel immediate relief after first using the patch and get 12 hours of effective targeted relief. 【SUPPORT AND INSTRUCTION】 Follow the detailed use instructions as well as the warnings and cautions before use. Single one-time use only. Printed directly on the individual pouch instructions are easy to follow and use. 【LIDOCAINE Pain Maximum Strength】4% Lidocaine gel patches means you Can quickly relieve pain each patches provides comforting temporary pain relief for arthritis back painSoothing NervesJoints minor burnsTattoos and other bruises-related injuries to muscles.]